Washington 50 States Quarters Value Guide (1999–2008)

The Washington 50 States Quarters Program (1999-2008) represents the most ambitious redesign initiative in United States numismatic history. Authorized by Congress and executed over a ten-year period, this program introduced fifty unique reverse designs—five per year—honoring each state in the order of its ratification of the Constitution or admission into the Union. The obverse retained John Flanagan's iconic 1932 portrait of George Washington, while each state's reverse design was selected through a collaborative process involving state governors, citizens, and the U.S. Mint.

From a collector's perspective, the series presents a fascinating paradox. On one hand, the sheer production volume—over 34 billion coins struck across all fifty designs—makes circulated examples essentially worthless beyond their face value of twenty-five cents. On the other hand, the series has created genuine numismatic rarities in the form of condition rarities (coins grading MS-67 or higher) and spectacular die varieties such as the famous 2004-D Wisconsin "Extra Leaf" errors that remain valuable finds even in circulated condition.

This comprehensive guide covers every aspect of State Quarter valuation from 1999 through 2008, including business strikes from Philadelphia and Denver, clad and silver proof issues from San Francisco, and the distinctive Satin Finish coins produced from 2005-2008. Whether you're a roll searcher hoping to find a valuable error, a registry set builder pursuing top population coins, or a casual collector wondering if your state's quarter has any premium, this guide provides the factual, sourced information you need to accurately assess value.

Washington 50 States Quarters Identification Guide

Identifying which type of State Quarter you have is the critical first step in determining its value. The three primary categories—business strikes, proofs, and Satin Finish—each have distinct visual characteristics and value ranges.

Edge comparison: Copper-nickel clad (left, showing copper stripe), silver proof (right, solid silver edge with no copper stripe)

The Edge Test: Clad vs Silver

Turn your coin on its side and examine the edge carefully. Copper-nickel clad quarters (the standard composition for both business strikes and clad proofs) will show a distinct copper-colored stripe running through the center of the edge, sandwiched between two outer layers of silvery nickel. Silver proof quarters (90% silver, 10% copper) will have a solid, uniform silver-white edge with no visible copper stripe. This is the fastest way to determine if your proof quarter has intrinsic precious metal value.

Finish Types: Business Strike vs Proof vs Satin

Surface finish comparison: Business strike (left, bright cartwheel luster), Proof (center, mirror fields with frosted devices), Satin Finish (right, matte non-reflective surface)

Business Strike surfaces (1999-2008, found in circulation or rolls) have bright, cartwheel luster. When you tilt the coin under a light, you'll see rotating bands of light—the "cartwheel effect." These coins were struck at high speed for circulation and exhibit a brilliant, shiny appearance when uncirculated.

Proof surfaces (1999-2008, S mint mark, found in annual Proof Sets) feature mirror-like fields and frosted, sculptural devices (the raised design elements). The contrast between the deeply reflective background and the frosted portrait/designs is unmistakable. These coins were struck multiple times on specially polished planchets to achieve this cameo or deep cameo appearance.

Satin Finish surfaces (2005-2008 only, found exclusively in U.S. Mint Sets) have a distinctive matte, non-reflective appearance. The surface looks almost "sandblasted" or satiny, lacking the brilliant cartwheel luster of business strikes or the mirrors of proofs. If your coin is from 1999-2004 and appears to have a matte finish, it may have been improperly cleaned or artificially altered—true Satin Finish production began in 2005.

Mint Mark Location

Locate the mint mark on the obverse (front) of the coin, positioned below the text "IN GOD WE TRUST" and to the right of Washington's ponytail. Business strikes will be marked P (Philadelphia) or D (Denver), or occasionally show no mint mark for early Philadelphia issues. Proof coins (both clad and silver) always bear the S mint mark for San Francisco. Satin Finish coins will show P or D.

Washington 50 States Quarters Value Chart (1999–2008)

This comprehensive table presents values for all fifty State Quarter designs from 1999 through 2008. Each row represents one state's quarter with mintage figures and value ranges for circulated through gem uncirculated grades, plus proof values. Critical Market Reality: Circulated State Quarters (worn coins) are worth face value ($0.25) regardless of state or year. The table focuses on uncirculated and proof values where numismatic premiums exist.

1999 State Quarters (Launch Year)

The inaugural year of the program. Because collecting mania hadn't peaked for the first issues, fewer pristine rolls were saved compared to later years. 1999-P issues are often the most difficult to locate in Superb Gem condition.

2000 State Quarters (Peak Production)

The year 2000 saw production records shattered. Virginia alone exceeded 1.6 billion pieces. High supply means minimal premiums below MS67 for most issues.

2001-2003 State Quarters (Stabilization Era)

Production scaled back slightly after 2000's peaks, though numbers remained high. Middle-of-the-road scarcity with some condition rarities emerging in MS67+.

2004 State Quarters (Year of Varieties)

The most critical year for variety collectors. The Wisconsin Extra Leaf errors changed the landscape of the series, proving significant errors could still escape the modern Mint.

2005-2008 State Quarters (Satin Finish Era)

The final four years introduced the Satin Finish in U.S. Mint Sets, creating three distinct finish types (Business Strike, Satin, Proof) for these years. 2008-D Oklahoma has the series' lowest business strike mintage.

Washington 50 States Quarters Values by Composition Era

Understanding the compositional differences between State Quarter types is critical for accurate valuation. The series encompasses four distinct production formats, each with its own market dynamics and value drivers.

Business Strike quarters were produced at high speeds for general circulation. Over 34 billion pieces entered commerce, making circulated examples worth face value only. The market for business strikes centers exclusively on condition rarities—coins that survived in exceptional preservation. A coin grading MS-63 (typical uncirculated from a bank roll) has minimal premium. Value emerges at MS-67 and higher, where population numbers drop dramatically.

The challenge with modern business strikes is that production quality improved significantly over the program's ten-year run. Early issues (1999-2001) were struck on lower-quality planchets with higher die pressures, resulting in more bag marks and weaker strikes. By 2007-2008, the Mint had refined the process, allowing occasional "gem" coins to slip into circulation channels. This is why a 2008-D Alaska MS-69 exists (and sold for over $2,000), while a 1999-P Pennsylvania MS-68 is practically unique.

Clad Proof quarters were struck multiple times on polished planchets specifically for collectors. These coins feature mirror-like fields and frosted, sculptural design elements—the "Deep Cameo" (DCAM) finish is the standard expectation. Unlike business strikes, clad proofs have no intrinsic metal value beyond their copper-nickel composition (essentially face value).

The proof market is driven entirely by collector demand. Because proofs were intentionally produced for collectors and handled with care, grades below PR-68 are considered impaired. A typical clad proof in PR69 DCAM trades for $5–$12, with minimal variation between states. The exceptions are the 1999 issues, which carry a slight premium as the first year, and certain low-population PR70 DCAM coins that appeal to registry set builders.

Silver Proof quarters represent the premium offering for collectors. These coins have both numismatic and intrinsic metallic value. The 90% silver composition (0.1808 oz per coin) provides a melt value floor that moves with spot silver prices. At current silver prices (early 2026), the melt value sits around $4–$5, but the coins trade well above melt due to collector demand.

Silver Melt Value Formula

For silver proof State Quarters, the intrinsic metal value is calculated as: silver_spot × 0.1808. For example, at a spot price of $25.00 per troy ounce, the silver content alone is worth $4.52. However, these coins consistently trade at a premium above melt value due to numismatic interest. Typical PR69 DCAM examples range from $12–$25, with the 1999 issues commanding $30–$55 due to their status as the first year of the program and relatively lower production compared to later years.

Satin Finish quarters (also called "SMS" or Special Mint Set coins) were produced exclusively for U.S. Mint Sets from 2005 through 2008. These coins have a distinctive matte, satiny surface that is neither the brilliant cartwheel luster of business strikes nor the mirror finish of proofs. The finish was achieved through a special burnishing process applied to the planchets before striking.

Numismatically, Satin Finish coins are cataloged separately and graded with the "SP" (Specimen) designation by professional grading services. Raw (ungraded) examples typically trade for $3–$5 per coin, while certified SP69 examples range from $20–$40. The market for these coins is smaller than the business strike or proof markets, but completist collectors actively pursue them for type set albums and state-by-state collections.

The 1999 Launch Year: Why These Quarters Are Special

The inaugural year of the 50 States Quarters Program holds a unique position in the series hierarchy. While mintages were high (ranging from 662 million for New Jersey to 1.3 billion for Connecticut), the numismatic community had not yet fully mobilized to save pristine examples at the program's launch. This creates a counter-intuitive scarcity: the first-year issues are often harder to find in superb gem condition (MS-67+) than later years with comparable or even lower mintages.

The 1999-P Pennsylvania: King of the Condition Rarities

The 1999-P Pennsylvania quarter has achieved legendary status as the most difficult business strike State Quarter to locate in MS-68 condition. The design features the Commonwealth statue—a relatively high-relief element—against broad, open fields. These large field areas are magnets for bag marks (contact marks from other coins during bulk handling). When combined with the fact that early 1999 planchets were of lower quality than later production years, the result is a coin where even MS-66 examples show visible imperfections.

The record sale of a 1999-P Pennsylvania in MS-68 for $10,200 in 2006 (via auction records documented by Bullion Shark) remains the high-water mark for a non-error, non-silver State Quarter. While current market prices have moderated since the mid-2000s speculative peak, this coin remains a holy grail for registry set collectors pursuing the finest known examples of each state.

The 1999 Delaware: Varieties and Errors

Delaware, as the first state in the Union, holds the honor of being the first State Quarter released (January 1999). Beyond its historical significance, the Delaware quarter is home to several important varieties and errors:

• "Spitting Horse" Die Crack: A distinctive raised line extends from the horse's mouth to the rim, caused by metal fatigue in the die. This variety is visible to the naked eye and widely collected. Certified examples in MS-66+ can command $100–$200.
• Experimental Planchet Error: A small number of 1999 Delaware quarters were struck on experimental alloy planchets intended for the Sacagawea Dollar program. These coins have a distinctive gold-green hue and are major rarities. One example sold for $4,888 in MS-66, documented by Coin ID Scanner.

The 1999 Silver Proof: Key Date of the Proof Series

While silver proofs were issued every year from 1999 through 2008, the 1999-S Silver Proof Set has emerged as the key date for proof collectors. Lower initial sales compared to later years, combined with strong demand from completists, have pushed 1999 silver proof quarters to a $30–$55 premium for PR69 DCAM examples—roughly double the value of most other year silver proofs. The 1999-S Delaware silver proof in PR70 DCAM has realized $100–$150 at auction.

The 2005–2008 Satin Finish Era

Beginning in 2005 and continuing through the program's conclusion in 2008, the United States Mint introduced a significant manufacturing change that created a new collectible category: the Satin Finish (also known as Special Mint Set or "SMS") quarters. This four-year period is the only time in the State Quarter series where collectors must track three distinct finish types for each state: Business Strikes (from circulation/rolls), Satin Finish (from Mint Sets), and Proofs (from Proof Sets).

Understanding Satin Finish: How to Identify the Difference

Surface comparison: Business strike (left, bright cartwheel luster) vs Satin Finish (right, matte non-reflective surface)

Satin Finish coins underwent a special burnishing process before striking, creating a matte, non-reflective surface texture. When you tilt a Satin Finish quarter under a light, you will not see the rotating bands of brilliance characteristic of a business strike's cartwheel luster. Instead, the surface appears satiny or almost "sandblasted," with a soft, even texture across both the fields and the devices.

This distinction is critical because Satin Finish coins are cataloged separately from business strikes and graded with the SP (Specimen) designation by PCGS and NGC, rather than the MS (Mint State) designation used for circulation-intended coins. A 2005-P California quarter pulled from circulation is an MS coin. A 2005-P California quarter from a U.S. Mint Set is an SP coin. They have the same composition and design, but they are different numismatic products with different value profiles.

Market Dynamics and Valuation

Satin Finish quarters occupy a middle tier in the State Quarter value hierarchy. Raw (ungraded) examples typically trade for $3–$5 per coin—a modest premium over face value, but far less than silver proofs. Certified examples in SP-69 (the expected grade for well-preserved Mint Set coins) range from $20–$40, depending on the specific state and population.

The market for Satin Finish coins is smaller and more specialized than for business strikes or proofs. Primary buyers include:

• Completists: Collectors building comprehensive "Master Sets" that include all finishes.
• Type collectors: Those representing different production methods in their collections.
• Registry set competitors: PCGS and NGC both maintain separate Satin Finish registry categories.

Because Satin Finish coins were only available by purchasing complete Mint Sets (which cost $16.95 in 2005 and contained multiple denominations), many sets remain intact and unopened. This has kept population numbers relatively low compared to business strikes, which numbered in the hundreds of millions per state. However, it has also meant that the supply of high-grade (SP69) examples is steady, preventing dramatic price spikes.

Notable 2005-2008 Issues

While most 2005-2008 business strikes remain common, a few issues have developed reputations for condition rarity or varieties:

• 2008-D Oklahoma: With a mintage of just 194.6 million (the lowest Denver mintage in the entire series), Oklahoma commands a slight scarcity premium. Original bank rolls and Mint State coins trade at the higher end of the value range.
• 2008-D Alaska MS-69: By 2008, the Mint's production quality had improved to the point where a few virtually perfect coins entered circulation channels. An Alaska MS-69 sold for $2,350 in 2017, proving that even late-series coins can be valuable in the absolute highest grades.
• 2005-P Minnesota Extra Tree: This doubled die variety (discussed in detail in the Varieties section) is the major error of the 2005-2008 era, with values ranging from $40–$275 depending on the strength of doubling.

Most Valuable Washington 50 States Quarters

While the vast majority of State Quarters are worth face value, a select group of coins—combining condition rarity, significant die varieties, and wrong planchet errors—have realized substantial prices at auction. This section ranks the top ten most valuable State Quarters based on documented sales and current market activity.

1. 1999-P Pennsylvania (MS-68)

Record Sale:$10,200 (2006)

Why Valuable: This is the legendary condition rarity of the State Quarter series. The Commonwealth statue design, combined with large open fields, makes even MS-66 examples challenging. A true MS-68 is practically unique. Early 1999 planchets were of lower quality than later years, and few collectors were aggressively saving pristine coins when the program launched. Documentation via Bullion Shark auction archives.

2. 2004-D Wisconsin Extra Leaf High (MS-67)

Record Sale:$6,000 (2020)

Why Valuable: The most famous State Quarter error. A die gouge created a raised line resembling an extra leaf pointing upward from the corn husk. This variety is visible to the naked eye and has value in any grade, including circulated. High-grade certified examples command premium prices due to strong collector demand. Even raw circulated examples trade for $50–$100.

3. 1999-D Delaware Experimental Planchet (MS-66)

Record Sale:$4,888

Why Valuable:Wrong planchet error. A small number of 1999 Delaware quarters were struck on experimental gold-colored Sacagawea Dollar planchets. These coins have a distinctive greenish-gold hue and are immediately recognizable. Documented by Coin ID Scanner as among the rarest State Quarter errors.

4. 2000-P South Carolina (MS-69)

Record Sale:$3,525 (2017)

Why Valuable: Extreme condition rarity. The Palmetto tree design has large open fields to the left of the tree that show even minor scratches or bag marks. Despite a mintage exceeding 1.3 billion, an MS-69 is a "ghost coin"—virtually none exist in the PCGS/NGC population reports. PCGS CoinFacts confirms the extreme rarity in this grade.

5. 2008-D Alaska (MS-69)

Record Sale:$2,350 (2017)

Why Valuable: Late-series quality improvement. By 2008, the Mint had perfected production processes to the point where occasional "virtually perfect" coins slipped into circulation channels. The Grizzly Bear design is popular, and the MS-69 grade represents the absolute pinnacle of preservation. Source: Bullion Shark.

6. 2003-D Maine (MS-68)

Record Sale:$2,300 (2017)

Why Valuable: Sleeper condition rarity. The lighthouse and schooner design features intricate rigging detail that requires a perfect strike. The Denver mint struggled with consistent quality on this issue, making MS-68 examples genuinely rare. Documented by Coin ID Scanner.

7. 2004-D Wisconsin Extra Leaf Low (MS-65)

Typical Value:$300–$400

Why Valuable: The companion variety to the Extra Leaf High. A curved raised line arches across the lower corn husk. Slightly more common than the High Leaf, but still a significant error with strong market liquidity. Even circulated examples trade for $50–$100. Diagnostics detailed at American Standard Gold.

8. 2005-P Minnesota Extra Tree (MS-67)

Typical Value:$275

Why Valuable: Doubled die variety. Hubbing doubling created extra trees in the forest design. The strong variety (FS-801) with a clear, full extra tree is the most valuable. Over 50 minor varieties exist, but only the major attribution commands premium prices. PCGS detailed the variety and Money Digest covered collector interest.

9. 1999-P Delaware Spitting Horse (MS-66+)

Typical Value:$200

Why Valuable: Popular die crack variety. A raised line extends from the horse's mouth to the rim, visible to the naked eye. The variety is widely collected and liquid. Lower-grade examples (MS-63) can be found for $10–$20, but certified MS-66+ examples command premiums. Identification guide at Coin ID Scanner.

10. 1999-S Delaware Silver Proof (PR-70 DCAM)

Typical Value:$100–$150

Why Valuable: The 1999 Silver Proof Set is the key date for proof collectors. Lower production relative to later years, combined with first-year status, creates a premium. While most silver proofs trade for $12–$25, 1999 issues in perfect PR-70 DCAM condition can reach $100+. Auction records at PCGS.

Washington 50 States Quarters Key Dates Worth Money

The term "key date" in numismatics traditionally refers to coins with notably lower mintages or survival rates within a series. For State Quarters, the concept requires redefinition. With most issues exceeding 400 million pieces, absolute scarcity doesn't exist in the traditional sense. Instead, the series' "key dates" are defined by condition rarity (extreme difficulty in high grades), first-year premiums, or relative low mintage within the production window.

1999-P Pennsylvania: The Grade King

If the State Quarter series has a single "key date," it is the 1999-P Pennsylvania. With a mintage of 349 million, it's not scarce by absolute count. What makes it key is the near-impossibility of finding examples in MS-68 condition. The Commonwealth statue design against broad open fields, combined with lower-quality 1999 planchets, creates a perfect storm for bag marks. Certified MS-67 examples trade for $30–$50. The MS-68 record of $10,200 speaks to the condition challenge.

1999 First-Year Issues: Scarcity Through Oversight

All five 1999 states (Delaware, Pennsylvania, New Jersey, Georgia, Connecticut) carry a premium in high grades relative to later years. When the program launched in January 1999, the collecting community hadn't fully mobilized. Many collectors waited to see if the program would be popular before aggressively saving rolls. By mid-1999 and into 2000, the "State Quarter mania" was in full swing, leading to massive hoarding. This creates the counter-intuitive result that earlier coins are harder to find in pristine condition than later coins with similar or lower mintages.

2003-D Maine: The Sleeper

The 2003-D Maine quarter has emerged as a sleeper condition rarity. The lighthouse and schooner design features intricate rigging on the ship that requires a perfect strike to render clearly. Many examples show weakness in the rigging lines. Additionally, the Denver mint appears to have had quality control issues on this particular issue, with many coins showing die deterioration or planchet problems. An MS-68 example sold for $2,300 in 2017, and certified MS-67 examples are notably scarcer than most 2003 issues.

2008-D Oklahoma: Lowest Business Strike Mintage

With just 194.6 million pieces struck at the Denver mint, the 2008-D Oklahoma has the distinction of being the lowest-mintage business strike State Quarter. The Philadelphia mint struck an additional 222 million, bringing the total to 416.6 million—still the lowest combined mintage of the entire series. While 194 million is still a massive number by historical standards, it's enough to create a slight scarcity premium. Original bank rolls and certified MS-65/66 examples trade at the higher end of the value range for 2008 issues.

Silver Proof Key Date: 1999-S

For proof collectors, the 1999-S Silver Proof Set is the key. While exact production numbers are not published for individual coins within sets, the 1999 Silver Proof Set had the lowest sales of any year in the program. First-year status combined with relatively lower availability has pushed 1999 silver proof quarters to trade at $30–$55 for PR69 DCAM examples—roughly double the price of most other years.

Why Mintage Alone Doesn't Determine Key Status

It's important to understand that State Quarter key dates do not follow the traditional numismatic model. In classic series (Morgan Dollars, Walking Liberty Half Dollars, etc.), key dates are often determined by low mintages combined with heavy circulation attrition. For State Quarters:

• All mintages are high (lowest is 194.6M, highest is 943M)
• Survival rates are extremely high (billions saved by collectors/hoarders)
• Condition rarity drives value (the jump from MS-66 to MS-67 is where premiums emerge)

This means that a coin like the 2000-P Virginia (1.6 billion mintage) can theoretically be as valuable in MS-68 as a lower-mintage issue if the population numbers are equally low. The key is not how many were made, but how many survived in perfect condition.

Washington 50 States Quarters Errors & Rare Varieties

The State Quarter series has produced several significant die varieties and errors that command substantial premiums even in circulated condition. Unlike condition rarities (which require near-perfect preservation), these errors are valuable in any grade. This section provides detailed diagnostics for the major varieties so collectors can accurately identify and attribute their finds.

2004-D Wisconsin Extra Leaf (High & Low)

2004-D Wisconsin Extra Leaf varieties: Normal (left), Extra Leaf High (center), Extra Leaf Low (right)

The 2004-D Wisconsin Extra Leaf varieties are the most famous and valuable State Quarter errors. Two distinct die gouges occurred on the reverse die, creating raised lines that resemble extra leaves on the corn stalk. These varieties are naked-eye visible and have been certified by all major grading services.

Attribution for Extra Leaf High (FS-901):

• Focus on the ear of corn on the left side of the design (below the cheese wheel)
• Look for a sharp, raised line that shoots upward from the husk into the corn kernels near the top of the ear
• The line should be clearly raised (like a wire lying on the surface), not incused
• The line extends from approximately the middle of the husk upward toward the top of the corn ear

Attribution for Extra Leaf Low (FS-902):

• Look at the lower portion of the corn husk
• A raised line arches horizontally across the lower husk, detached from the main leaves
• The line curves downward, resembling a leaf folding or drooping
• The line should be clearly raised, not scratched

Value Ranges:

• Circulated (G-VF):$50–$100
• Uncirculated (MS-63/64):$150–$250
• Certified MS-65:$300–$500
• Certified MS-67:$1,000–$6,000 (High Leaf commands premium over Low Leaf)

For detailed diagnostic images and comparison guides, see American Standard Gold's identification guide. PCGS CoinFacts and The Spruce Crafts provide additional authentication resources.

2005-P Minnesota Doubled Die (Extra Tree)

2005-P Minnesota Extra Tree variety: Normal (left) vs Doubled Die with extra tree silhouette (right)

The 2005-P Minnesota quarter hosts a significant doubled die variety caused by hubbing doubling during die production. The result is the appearance of "extra trees" or "ghost trees" in the forest design.

Attribution (FS-801 Major Variety):

• Focus on the forest of spruce trees to the right of the Minnesota state outline
• Look for the third tree from the outline
• A distinct, separate "extra" spruce tree silhouette should be visible, slightly offset from the main tree
• The doubling creates a "shadow" tree that appears to have its own trunk and branches
• Use magnification (10x loupe) for clear attribution

Important Note: Over 50 minor varieties of this error exist, with varying degrees of doubling. Only the strong varieties (FS-801, FS-802) where the extra tree is clearly visible command significant premiums. Weak doubling varieties trade for minimal amounts above face value.

Value Ranges (FS-801 Strong Variety):

• Circulated:$20–$40
• MS-63/64:$40–$75
• MS-65/66:$75–$150
• MS-67:$150–$275

PCGS published a detailed analysis of the variety, and Money Digest covered collector interest. Professional authentication is recommended to confirm you have the major variety before assuming top-tier value.

1999-P Delaware "Spitting Horse" Die Crack

1999-P Delaware "Spitting Horse" die crack extending from the horse's mouth to the rim

The 1999-P Delaware "Spitting Horse" is a die crack variety that has become one of the most widely recognized errors of the early State Quarter program. The variety is caused by metal fatigue in the die, creating a raised line on struck coins.

Attribution:

• Look at the reverse (state side) of the coin
• Focus on Caesar Rodney on horseback
• A distinct, raised line should extend from the horse's mouth downward across the horse's neck/chest area toward the rim
• The line must be raised (sitting on top of the coin's surface like a piece of wire)
• If the line is depressed (scratched into the coin), it is post-mint damage with no value

Critical Authentication Point: Die cracks are raised; scratches are incused. Hold the coin at an angle under a light. A die crack will cast a shadow because it sits above the surface. A scratch will not.

Value Ranges:

• Raw (ungraded) MS-63:$10–$20
• MS-64/65:$25–$50
• Certified MS-66+:$100–$200

The variety is liquid and widely collected. Identification guidance is available at Coin ID Scanner.

Experimental Planchet Errors (1999 Delaware & Georgia)

A small number of 1999 Delaware and Georgia quarters were struck on experimental planchets intended for the Sacagawea Dollar program. These coins have a distinctive gold-green hue (due to the manganese-brass alloy) and are immediately recognizable as wrong planchet errors.

Identification:

• The coin will have a gold or greenish-gold color, not the silver-white of copper-nickel clad
• Weight will be slightly different (8.1g for Sacagawea planchet vs 5.67g for quarter planchet)
• The error is usually obvious to the naked eye due to the color difference

Value: These are major rarities. A 1999-D Delaware on a Sacagawea planchet sold for $4,888 in MS-66. Only a handful are known. If you believe you have one, submit immediately to PCGS or NGC for authentication. Source: Coin ID Scanner.

Other Notable Errors

2000-P South Carolina Serrated Edge/Clips: Manufacturing errors involving the planchet strip. "Railroad rim" or clipped planchet errors are frequently seen on this issue. Value: $10–$100 depending on severity. Diagnostics at Coin ID Scanner.

2005-P Kansas "In God We Rust": A struck-through grease error filled the first "T" in TRUST on the obverse. Popular and collectible but relatively common. Value: $5–$15. Not as prestigious as the Wisconsin or Minnesota varieties.

How to Grade Washington 50 States Quarters

Grading modern coins like State Quarters differs significantly from grading classic series. With billions of coins produced and high survival rates, the market focuses almost exclusively on the top end of the grading scale. Understanding the distinction between MS-63, MS-65, MS-67, and MS-69 is critical for determining whether a coin has numismatic value or is simply "face value plus a dollar."

The Mint State Scale for State Quarters

Grade progression: MS-63 (left), MS-65 (center), MS-67 (right) showing decreasing bag marks and improving eye appeal

MS-60 to MS-62 (Typical Uncirculated): These coins show no wear but have numerous bag marks, poor luster, or weak strikes. They are "uncirculated" in the technical sense (no friction wear) but unattractive. For State Quarters, MS-60/62 coins are essentially face value. The market does not distinguish these from circulated coins for pricing purposes.

MS-63 (Choice Uncirculated): This is the grade of a typical "nice" coin from a bank roll or mint bag. There are visible contact marks, but they are not distracting when viewed at arm's length. Luster is generally good. For State Quarters, MS-63 is where minimal premiums begin—typically $1–$2 over face value, if any. Most collectors consider this the "base grade" for keeping a coin rather than spending it.

MS-65 (Gem Uncirculated): The coin has very few contact marks, and those present are minor. Luster is strong and unbroken. The eye appeal is attractive. For State Quarters, MS-65 is the minimum grade where coins start to trade in organized markets. Values range from $3–$10 depending on the specific issue. This is a "solid collectible grade" but not rare.

MS-67 (Superb Gem): This is where State Quarter values begin to rise significantly. An MS-67 coin has virtually no contact marks visible to the naked eye. Under magnification, you may find one or two tiny marks in non-focal areas. Luster is full and vibrant. Strike is sharp. For State Quarters, MS-67 is where condition rarity emerges. Depending on the issue, values range from $20–$50 for common dates to hundreds of dollars for key issues like 1999-P Pennsylvania or 2003-D Maine.

MS-68 and MS-69 (Virtually Perfect): These grades are statistical anomalies for State Quarters. An MS-68 coin is nearly flawless; an MS-69 approaches perfection. Only coins with absolutely immaculate surfaces, full strikes, and exceptional eye appeal can achieve these grades. Population numbers at MS-68/69 are often single digits for many State Quarter issues. Values can range from hundreds to thousands of dollars.

Key Grading Factors for State Quarters

1. High Points of the Design: On the obverse, check Washington's cheek, hair above the ear, and the portrait's highest relief points. On the reverse, examine the highest elements of each state's design (e.g., the Minuteman's shoulder on Massachusetts, the Palmetto tree trunk on South Carolina). Bag marks on these focal points are heavily weighted in grading.

2. Open Fields: Large, flat areas of the coin are where even minor scratches or dings become obvious. The obverse field in front of Washington's face and the reverse field areas (if any) are critical inspection zones. A single scratch across a prominent field can drop a coin from MS-67 to MS-65.

3. Luster Quality: State Quarters should have bright, cartwheel luster when uncirculated. Dull, flat, or "washed out" luster indicates cleaning, environmental damage, or poor striking. Original luster is essential for high grades.

4. Strike Quality: Some State Quarter designs have notoriously weak strikes in specific areas (e.g., Massachusetts Minuteman details, Maryland Statehouse spire). A weak strike can prevent a coin from achieving high grades even if surfaces are mark-free. Look for full, sharp detail in all design elements.

Washington 50 States Quarters Authentication & Storage

Due to the popularity of the State Quarter series and the substantial premiums commanded by error varieties and high-grade examples, the market has seen both counterfeit coins and altered coins. Additionally, improper storage can destroy numismatic value even for genuine high-grade coins. This section covers authentication red flags and best practices for preservation.

Counterfeit and Altered Coin Detection

Comparison: Genuine raised die variety line (left) vs tooled/engraved counterfeit line (right)

Wisconsin Extra Leaf Counterfeits: The high value of the Wisconsin Extra Leaf varieties has led to "tooled" coins—quarters that have been artificially engraved or altered to simulate the extra leaf. Genuine Extra Leaf errors have smooth, raised lines that blend naturally with the coin's surface. Tooled coins often show:

• Sharp, incised lines (cut into the metal) rather than raised lines
• Evidence of metal removal or displacement around the "extra leaf"
• Lines that appear "foreign" to the coin's natural flow and texture
• Magnification under 10x-20x will reveal tool marks on counterfeits

If you believe you have a Wisconsin Extra Leaf, submit it to PCGS or NGC for authentication. Do not rely solely on internet images or ungraded opinions.

Die Crack vs Post-Mint Damage: For varieties like the Delaware "Spitting Horse," ensure the line is raised, not scratched into the coin. Hold the coin at an angle under a light. A raised die crack will cast a shadow; a scratch will not. If the line can be felt with a fingernail as a depression, it's likely post-mint damage.

Cleaning Detection: Cleaned coins are common in the State Quarter series, especially among early issues. Signs of cleaning include:

• Unnaturally bright or "washed out" surfaces lacking original luster
• Hairline scratches in the same direction (from abrasive cleaners or cloths)
• Discoloration or uneven patina
• Dull, matte appearance (not to be confused with genuine Satin Finish)

Cleaned coins have no numismatic value above face value, regardless of date or original condition. Professional grading services will not encapsulate cleaned coins, or they will assign a "Details" grade noting the cleaning.

Storage and Preservation Best Practices

Avoid PVC: Polyvinyl chloride (PVC) is a plasticizer found in some older coin flips and folders. Over time, PVC releases acidic compounds that create green or oily residue on coins, permanently damaging surfaces. Use only PVC-free holders such as Mylar flips, Saflips, or certified holders from NGC/PCGS.

Handling: Handle coins by the edges only, never touching the obverse or reverse surfaces. Oils, salts, and moisture from skin can cause spotting, toning, or corrosion over time.

Environmental Control: Store coins in a stable environment with low humidity (ideally below 50% relative humidity) and moderate temperature (around 70°F). Avoid attics, basements, or locations with temperature swings. Moisture is the enemy—it accelerates oxidation and can cause "milk spots" or environmental damage.

Album vs Slab: For State Quarter collections:

• Albums/Folders: Convenient for display and suitable for MS-63 to MS-66 coins that don't warrant professional grading. Use albums specifically designed for State Quarters with PVC-free pages.
• Certified Slabs: For high-grade coins (MS-67+), error varieties, or silver proofs where authentication and tamper-evident storage are important, professional encapsulation by PCGS or NGC is ideal.

Professional Grading Submission Strategy

Submitting State Quarters for professional grading is a significant decision that involves costs (fees, shipping, insurance) and time. Follow this decision tree:

For questions about submission, consult PCGS or NGC directly for current fees, turnaround times, and submission guidelines.

Washington 50 States Quarters FAQs

Methodology & Sources

This comprehensive guide to Washington 50 States Quarters values is based on extensive analysis of auction records, dealer pricing, third-party grading service population data, and mintage statistics current as of January 2026. All prices, mintage figures, and variety attributions are sourced from documented, verifiable references.

Valuation Sources

• Auction Records:NGC Auction Central, PCGS Auction Prices, GreatCollections, and Bullion Shark for realized prices and market trends.
• Price Guides:PCGS Price Guide, The Spruce Crafts, and dealer buy/sell lists for current retail and wholesale pricing.
• Population Data:PCGS CoinFacts and NGC Coin Explorer for graded population statistics and condition census data.
• Mintage Data:Coin Mintages and U.S. Mint official records for production figures.
• Variety Attribution:American Standard Gold, PCGS News, Coin ID Scanner, and Money Digest for diagnostic criteria and authentication resources.

Silver Content Calculation

Silver proof State Quarters contain 0.1808 troy ounces of silver (90% silver, 10% copper composition). Melt value is calculated as: silver_spot × 0.1808. Current spot prices can be monitored at APMEX or JM Bullion. Numismatic premiums consistently exceed melt value for collectible-grade coins.

Grading Standards

All grade designations follow the Sheldon 70-point scale as interpreted by PCGS and NGC, the two industry-standard third-party grading services. Values presented assume problem-free coins with original surfaces. Cleaned, damaged, or environmentally compromised coins have no numismatic value regardless of grade.

Market Disclaimer

Coin values fluctuate based on precious metal spot prices (for silver proofs), market conditions, collector demand, and individual coin quality. Values presented represent fair market ranges as of early 2026 and are intended as educational guides, not guarantees of sale or purchase prices. Actual realized prices can vary based on venue (auction vs dealer vs private sale), coin certification, eye appeal, and market timing.

Additional Resources

• The Spruce Crafts: Wisconsin Quarter Values
• Bold Precious Metals: 2000 Quarter Value Guide
• Coin ID Scanner: 2000 South Carolina Quarter
• Coin ID Scanner: 1999 Delaware Quarter