1959 Lincoln Cent Errors: Value Guide & Rare Varieties
Is your 1959 penny worth money? The FS-101 Doubled Die hit $5,887 and the unique Wheat Reverse Mule sold for $48,300. Every error, variety, and trap explained for collectors.
Most 1959 Lincoln cents are worth face value, but the right error or variety can be worth anywhere from $5 to over $48,000.
- • 1959 DDO FS-101 (Philadelphia only): $125–$5,887 depending on grade and color
- • 1959-D RPM #1 FS-501 (triple-punched D): up to $192 in MS66 RD
- • Wrong-planchet errors (silver dime or foreign planchet): $750–$3,818+
- • 1959-D Wheat Reverse Mule (only 1 known): ~$48,300–$50,000+
⚠️ Major trap: machine doubling on the date and LIBERTY is extremely common and worth face value only. Always weigh a suspected silver penny before getting excited — plated coins weigh 3.11g, not 2.50g.
1959 Lincoln Cent Errors Error Checker
Check your coin for valuable errors and varieties
Values shown are typical retail estimates as of 2026-01.
1959 is a transition year — the first year of the Lincoln Memorial reverse. Errors from this changeover year are particularly collectible.
Error coin values vary significantly based on grade, surface preservation (RD vs RB vs BN), eye appeal, and current market conditions.
Professional authentication (PCGS/NGC) is strongly recommended for any suspected Doubled Die, RPM, or wrong planchet error.
Machine Doubling (flat, shelf-like distortion) is NOT a valuable error — many 1959 cents exhibit this but are worth face value only.
Magician's Coins (two-headed pennies, novelty pieces) are post-mint alterations with no numismatic value. Check for seams on the rim and perform a ring test.
Acid-dipped or plated coins are post-mint alterations, not mint errors. A genuine wrong-planchet error must have the correct weight of the wrong planchet.
The 1959-D Wheat Reverse Mule is highly controversial — only one specimen exists and PCGS/NGC have issued No Decision verdicts despite U.S. Treasury authentication.
In 1959, the Lincoln cent turned fifty — and the U.S. Mint marked the occasion by retiring the Wheat Ears reverse and debuting Frank Gasparro's Lincoln Memorial design. This high-speed changeover across two Mints, producing over 1.8 billion coins, left behind a trail of spectacular errors: a triple-punched mintmark, a dramatic doubled die worth nearly $6,000, a coin struck on a silver Roosevelt Dime planchet, and — most controversially — a single coin that should never have existed. Check your 1959 cent's base value first, then read on to see if yours is one of the rare ones.
1959 Lincoln Cent: Specifications & Mintage
The 1959 cent is a bronze alloy coin — 95% copper with 5% tin and zinc. This composition is distinct from the post-1982 zinc cents; the high copper content gives pre-1982 cents an intrinsic metal value above face value. These specs are also the primary diagnostic tools for identifying wrong-planchet errors: any coin that deviates significantly from standard weight or size is worth examining closely.
| Specification | Value / Notes |
|---|---|
| Composition | 95% Copper, 5% Tin & Zinc (French Bronze) |
| Weight | 3.11 grams — deviations below 3.0g or above 3.2g warrant investigation |
| Diameter | 19.05 mm |
| Thickness | 1.52 mm |
| Edge | Plain (no reeding) |
| Obverse Designer | Victor David Brenner (Lincoln bust, unchanged since 1909) |
| Reverse Designer | Frank Gasparro (Lincoln Memorial — first year of this design) |
| Philadelphia Mintage | 609,715,000 business strikes + 1,149,291 Proofs |
| Denver Mintage | 1,279,760,000 business strikes |
Essential tools: a 10× jeweler's loupe for die varieties and a digital scale (accurate to 0.01g) for planchet errors. See base values for standard 1959 cents →
1959 Lincoln Cent: Quick Checks — Do You Have Something Valuable?
Work through these checks in order. Checks #1–#5 may indicate a valuable variety; the final two are traps — extremely common look-alikes that are worth face value only. Valuable checks are highlighted in green; traps in red.
Check #1: Doubled Die Obverse FS-101 (Philadelphia / No Mintmark Only)
The word LIBERTY and the motto IN GOD WE TRUST on the obverse (front of the coin). Use a 10× loupe in good lighting.
Strong Class I (Rotated Hub) doubling — LIBERTY shows a dramatic spread toward the coin center with notched serifs (the tips of letters appear split). GOD and TRUST also show clear doubling. The secondary image is raised and rounded, matching the relief of the primary design.
Machine doubling — a flat, shelf-like secondary image with no split serifs. Extremely common and worth face value only. See Trap Check below for how to distinguish the two.
Check #2: Repunched Mintmark D/D/D FS-501 (Denver / D Mintmark Only)
The small D mintmark below the date on the obverse. Use a 10× loupe.
Three distinct D punch impressions — the primary D is bold, with clear secondary D marks to the North and Northwest. Confirm with die markers: a short die gouge touching the upper-right of the first 9 in the date; on the reverse, North/South scratches through the E in E PLURIBUS UNUM.
A fuzzy or worn mintmark from die deterioration. True Repunched Mintmarks (RPMs) show distinct secondary letter outlines with clear directional positioning — not general blurriness.
Check #3: Wrong Planchet — Silver-Colored or Underweight?
Overall coin color, size, and weight. A cent struck on a 90% silver dime planchet appears silver-colored and is noticeably smaller than normal (17.9 mm vs. the standard 19.05 mm). Parts of the design may be cut off at the edges.
Weight of 2.50 grams instead of 3.11 grams — weigh on a digital scale. This is the definitive test. The coin should also display the distinctive color of 90% silver.
A coin plated with zinc or mercury after leaving the Mint — it still weighs 3.11g. An acid-dipped coin shows mushy details. Weight is everything here.
Check #4: Off-Center Strike
The overall coin — a portion of the design will be missing, replaced by flat, blank planchet. The coin often has a crescent shape.
A clear flat area of unstruck planchet adjacent to the struck design. Value rises dramatically with a higher off-center percentage, especially when the full date (1959) is visible — undatable specimens are worth far less.
A worn or edge-damaged coin where the design simply faded. Genuine off-center coins always have a sharp, clean transition from the struck area to blank planchet.
Check #5: BIE Die Break (Minor Variety)
Between the B and E in LIBERTY on the obverse. Best seen with a 10× loupe.
A raised vertical line between B and E that resembles the letter I — caused by a chip or crack in the die. The mark is raised above the coin's surface.
A scratch or post-mint hit — those are incused (pressed into the surface), the opposite of a raised die break.
Trap Check: Machine Doubling — Looks Like a Doubled Die, Isn't
The date and lettering, especially LIBERTY and IN GOD WE TRUST.
Lettering that appears doubled or shadowed under a loupe. Machine Doubling (MD) occurs when the die slides across the freshly struck coin — creating a flat, shelf-like secondary image, not a raised one. Extremely common on 1959 cents.
MD has no split serifs; the secondary image is flat (like a ramp). The FS-101 DDO shows a raised, rounded secondary image with clearly notched letter tips. If the doubling looks like a step or shadow pushed sideways — that's MD, and it's worth nothing extra.
Trap Check: Magician's Coin / Two-Headed Penny
The rim and overall feel. Check whether the coin has two Lincoln faces or a mismatched obverse/reverse.
A penny with two heads (or a dime reverse). Manufactured outside the Mint by machining two coins — one hollowed into a shell, one shaved into an insert — and pressing them together. Not a mint error.
(1) A fine circular seam on the rim where the two pieces join is almost always present. (2) Ring test: drop it on a hard surface — genuine solid coins ring clearly; joined coins give a dull thud. (3) Weight will be off from metal removed during machining.
1959 Lincoln Cent: Error & Variety Values at a Glance
Standard Values by Mint & Grade
| Mint | Type | Condition | Value Range |
|---|---|---|---|
| Any | Business Strike | Circulated (worn) | Face value |
| Philadelphia (no MM) | Business Strike | Uncirculated (MS) | $0.25–$2.00 |
| Denver (D) | Business Strike | Uncirculated (MS) | $0.25–$1.50 |
| Philadelphia (no MM) | Proof (mirror finish) | PR / Impaired PR | $3–$15 / $1–$5 |
Error & Variety Values
| Error Type | Designation | Mint | Rarity | Value Range | Auction Record |
|---|---|---|---|---|---|
| Wheat Reverse Mule | Unique | D | 1 Known | $48,300–$50,000+ | $48,300 |
| Doubled Die Obverse | FS-101 | P | Scarce | $125–$5,887 | $5,887 |
| Struck on Foreign Planchet | — | Any | Rare | $3,818+ | $3,818 |
| Struck on Silver Dime Planchet | — | Any | Rare | $750–$2,750+ | $750 |
| Off-Center Strike (40%+, date visible) | — | Any | Scarce | $132–$660 | $660 |
| RPM #1 D/D/D | FS-501 | D | Scarce | Up to $192 | $192 |
| RPM #2 D/D Strong South | WRPM-002 | D | Scarce | ~$100 (MS65) | — |
| Broadstrike | — | Any | Uncommon | $25–$400 | — |
| Clipped Planchet | — | Any | Common | $10–$40 | — |
| BIE Die Break | — | Any | Common | $5–$25 | — |
1959 Lincoln Cent: Valuable Errors & Rare Varieties — Detailed Guide
1959-D Wheat Reverse Mule — The Most Controversial Lincoln Cent Ever Struck
The unique 1959-D cent: 1959 obverse paired with the Wheat Ears reverse, retired after 1958.
Origin & Background
A "mule" is a coin struck from obverse and reverse dies that were never meant to be paired. This specimen bears a 1959-D Lincoln cent obverse alongside the Wheat Ears reverse — a design officially retired after 1958. Only one example has ever surfaced. Discovered in 1986 by Leon Baller (who purchased it for $1,500), it was submitted to the U.S. Department of the Treasury in 1987. The Secret Service's Forensic Services Division microscopically and metallurgically examined the coin and concluded it was genuine — the alloy matched 1959 specifications and the strike characteristics showed no evidence of spark erosion or casting. Despite this federal authentication, PCGS and NGC have consistently returned "No Decision" verdicts, refusing to assign a numeric grade. The prevailing theory: a Mint employee intentionally paired a leftover 1958 reverse die with a 1959 obverse for a single unauthorized strike — a so-called "midnight special." The statistical impossibility of only one surviving example (a genuine press error would have produced hundreds before discovery) strongly supports this theory. Convicted forger Mark Hofmann claimed from prison to have manufactured the coin via spark erosion, but the Secret Service's forensic analysis explicitly found no such evidence.
How to Identify
- 1959 date with D mintmark on the obverse
- Wheat Ears reverse (two stalks of wheat flanking ONE CENT) instead of the Lincoln Memorial
- Strike characteristics consistent with genuine U.S. Mint production
- Single known example — finding a second would require extraordinary authentication
False Positives to Avoid
Machined "Magician's Coins" where a 1958 Wheat reverse is physically joined to a 1959 obverse shell. Always check the rim for a fine circular seam and perform the ring test (genuine solid coins ring clearly; joined pieces thud).
Market Values
- 1986 private purchase: $1,500
- 2003 Goldberg Auctions: $48,300
- 2010 Goldberg Auctions: $31,050
- Current estimate: $50,000+ (highly speculative; lack of PCGS/NGC slab limits liquidity)
Auction Record
$48,300 for the unique specimen (Goldberg Auctions, 2003). Read the full investigation at PCGS's in-depth article on the Mule.
1959 Doubled Die Obverse — FS-101
Normal LIBERTY (left) vs. DDO FS-101 with notched serifs and strong spread toward center (right).
Origin & Background
A Doubled Die Obverse (DDO) forms during die manufacturing. Working dies are created by pressing a master hub — the positive image — into a steel blank multiple times ("hubbing") to fully transfer the design. If the die was not perfectly realigned between impressions, a secondary overlapping image was permanently cut into the die. Every coin struck by that die carries the doubling. The FS-101 designation comes from the Cherrypickers' Guide to Rare Die Varieties and is listed as a major variety by PCGS. It exhibits Class I (Rotated Hub) doubling, the most visually dramatic type.
How to Identify
- LIBERTY: Significant spread toward the coin center with notched serifs — letter tips appear split or double-tipped. Distinct separation between primary and secondary images.
- IN GOD WE TRUST: Clear doubling especially on GOD and TRUST.
- Date: Also shows doubling.
- The secondary image is raised and rounded, matching the relief of the primary design — this distinguishes it from machine doubling.
- Compare to PCGS CoinFacts photos at PCGS #37953.
False Positives to Avoid
Machine Doubling (MD) creates a flat, shelf-like appearance — the secondary image looks like metal was sheared sideways, with no split serifs. MD is rampant on 1959 cents and adds zero value. If your doubling looks like a step or shadow, it's MD. Only a raised, rounded secondary image with notched letter tips qualifies as a true DDO.
Market Values
- MS64 RD: $125–$160
- MS65 RD: $150–$360
- MS66 RD: $800–$850
- MS67+ RD: $5,887 (record)
💡 Surface Color Drives Value
"RD" (Red) means 95%+ original mint luster — the highest value tier. A Brown (BN) FS-101 may not break $100, while a Red MS66 commands $800+. Store suspected DDO coins in non-PVC holders away from air and moisture immediately.
Auction Record
$5,887 for MS67+ RD, Heritage Auctions, 2016. This variety is a key entry in competitive PCGS and NGC Registry Sets, sustaining strong demand at top grades.
1959 Cent Struck on Wrong Planchet
Normal copper penny (left) vs. a silver-colored cent struck on a 90% silver Roosevelt Dime planchet (right).
Silver Dime Planchet Error
In 1959, Roosevelt Dimes were struck on 90% silver planchets measuring 17.9 mm and weighing 2.50 grams. Occasionally a silver dime planchet was accidentally fed into a cent press. The resulting coin appears silver-colored and is noticeably smaller than a normal penny — parts of the Lincoln design (LIBERTY, date) may be cut off because the dime planchet is narrower than the cent dies. The definitive test is weight: 2.50 grams = silver dime planchet; 3.11 grams = standard cent. One reported example realized $750; comparable errors in better condition have approached $2,750.
Foreign Planchet Error
In 1959, the U.S. Mint also struck coins for foreign nations, including the Dominican Republic. Foreign planchets occasionally mixed into the hoppers for domestic coins. A documented 1959 Lincoln cent struck on a Dominican Republic 10 Centavos planchet sold for $3,818. Authentication requires X-Ray Fluorescence (XRF) alloy testing to match the planchet to the specific foreign coin minted that year.
False Positives to Avoid
A copper cent plated with zinc or mercury post-mint looks silver but still weighs 3.11 grams. An acid-dipped coin shows uniformly mushy details without the blank-planchet cutoff visible on genuine wrong-planchet errors. If it weighs 3.11g, it is not a genuine wrong-planchet error.
Auction Records
- Silver dime planchet (circulated): $750
- Dominican Republic planchet: $3,818
1959-D Repunched Mintmark Varieties (RPM)
Normal single D mintmark (left) vs. RPM FS-501 showing bold primary D with secondary impressions to the north and northwest (right).
Origin & Background
In 1959, mintmarks were not part of the master hub — they were punched into each individual working die by hand, using a steel punch and mallet. This manual process introduced variance: if the punch slipped or required multiple blows, a second (or third) impression could land at a slightly different position, creating a Repunched Mintmark (RPM). 1959-D is one of the richest years for RPM varieties.
RPM #1 — FS-501 / WRPM-001 (The King)
- Classified as D/D/D — three distinct punch impressions
- Primary D is bold; clear secondary D marks to the North and Northwest
- Die marker (obverse): Short die gouge touching upper-right side of the first 9 in the date
- Die marker (reverse): North/South die scratches through the E in E PLURIBUS UNUM — use these to confirm the specific die pair
- Listed in the CONECA Top 100 RPMs
- Value in MS66 RD: $192
- Catalogued at PCGS CoinFacts and Wexler's Doubled Die reference
RPM #2 — WRPM-002 (D/D Strong South)
- Secondary D protrudes clearly from the bottom of the primary mintmark
- Slightly less dramatic than RPM #1 but still a collectible find
- Value in MS65: approximately $100
False Positives to Avoid
Die deterioration on a worn punch can produce a fuzzy mintmark that mimics doubling but lacks the distinct secondary letter outline and clear directionality of a true RPM. Only sharp, distinct secondary outlines with identifiable positioning (North, South, etc.) qualify.
1959 Off-Center Strikes
A 1959 cent approximately 40% off-center, showing a large blank planchet crescent with the full date intact.
Origin & Background
Off-center strikes occur when the planchet delivery mechanism fails to position the blank completely within the retaining collar before the dies close. The struck portion carries normal design detail while the misaligned portion is flat, blank planchet. The coin often has an irregular crescent shape.
Key Value Drivers
- Percentage off-center: Higher percentage = more dramatic = exponentially more valuable
- Date visibility: The full 1959 date must be visible to confirm the coin's identity and maximize value — undatable specimens are worth significantly less
- 15% off-center, MS63 RB: $132
- 40% off-center, MS61 RB: $660
False Positives to Avoid
Edge-worn or damaged coins are not off-center errors. Genuine off-center strikes have a clean, natural curved transition from struck design to flat blank planchet — not gradual fading or chipping.
1959 Broadstrikes
Normal 1959 cent with defined rim and collar (left) vs. broadstrike showing expanded diameter and missing rim (right).
Origin & Background
The retaining collar is a steel ring that surrounds the planchet during striking, defining the coin's diameter and forming its edge. When the collar fails to deploy, metal flows outward freely between the dies. The result is a coin noticeably wider than the standard 19.05 mm, with a weak or absent rim and the full design spread outward. 1959 broadstrikes are scarce; high-grade examples can approach $400.
How to Identify
- Diameter exceeds 19.05 mm — measure with calipers
- Rim is weak, thin, or absent
- Full design is present but uniformly spread outward
False Positives to Avoid
A coin squeezed or hammered after leaving the Mint shows localized damage — genuine broadstrikes show uniform, symmetrical design expansion with consistent spreading in all directions.
1959 Clipped Planchets
Clipped planchet showing a curved bite missing from the edge and a weak rim opposite (the Blakesley Effect).
Origin & Background
Clipped planchets form when the blanking press punches a new blank from a metal strip that overlaps a previously punched hole — taking a curved bite out of the new blank's edge before it can be struck.
The Blakesley Effect — Essential Authentication
The Blakesley Effect is the key to authenticating a clipped planchet: look for weakness in the rim on the side directly opposite the clip. During the upsetting process (which raises the rim around the blank), the missing metal at the clip prevents the machine from applying full pressure to the opposite side, leaving that rim section thin and weak. No Blakesley Effect strongly suggests post-mint damage rather than a genuine clip.
False Positives to Avoid
Coins that were cut or filed after the Mint have sharp, unnatural edges and will not show the Blakesley Effect. The shape of a genuine clip is always a smooth, curved arc matching the diameter of the blanking punch.
1959 BIE Die Break
BIE die break: a raised vertical mark between B and E in LIBERTY resembling the letter I.
Origin & Background
The name "BIE" comes from the visual result: a raised vertical bar between B and E in LIBERTY that resembles the letter I. It's caused by a chip or crack developing in the working die in that area. Because the letters are recessed in the die (they produce the raised letters on the coin), a die chip fills in during striking and transfers as a raised metal mark between B and E. Every coin struck after the chip formed will carry this mark.
How to Identify
- Raised vertical bar connecting or nearly connecting the B and E in LIBERTY
- The mark is raised above the coin surface — not pressed into it
- Best examined with a 10× loupe in raking light
False Positives to Avoid
A scratch or hit between B and E is incused (sunk into the surface) — the opposite of a die break, which is raised. Minor die breaks valued at $5–$25 are accessible entry-level error varieties but not serious investment pieces.
1959 Lincoln Cent: Common Traps & Worthless Look-Alikes
The three traps below account for the overwhelming majority of "error" discoveries that turn out to be worth face value. Recognizing them will save you from overpaying or being misled.
⚠️ Trap #1: Machine Doubling — The Doubled Die Impostor
Lettering on the date, LIBERTY, or IN GOD WE TRUST appears doubled, blurred, or shadowed when viewed under a loupe.
Machine Doubling (MD) occurs during striking when the die is loose or vibrates and slides across the freshly struck coin. It is not a die defect — every coin from the same die is different. Affects millions of 1959 cents.
- MD creates a flat, shelf-like step — the secondary image looks like sheared or pushed metal, not a raised impression
- No split serifs — letter tips are not notched or separated
- The FS-101 DDO shows raised, rounded secondary images with clearly notched serifs and definite separation
- Reference: NGC's guide to Doubled Dies vs. Machine Doubling with side-by-side photos
Machine doubling (left, flat step-like shelf) vs. true Doubled Die (right, raised rounded secondary image with split serifs).
Value: Face value only.
⚠️ Trap #2: Magician's Coin / Two-Headed Penny
A 1959 cent with two Lincoln obverses, or mismatched sides (Lincoln head paired with a dime or quarter reverse).
A machinist hollows one genuine coin into a shell (retaining the rim and obverse) and shaves a second coin into a thin insert. The two pieces are friction-fitted together — entirely manufactured outside the Mint as a novelty or magic trick prop.
- Look for a fine circular seam on or inside the rim where the two machined pieces join — almost always visible under a loupe
- Ring test: Drop the coin on a hard surface. Solid struck coins ring clearly; a two-piece joined coin produces a dull, flat thud
- Weight will be below 3.11g due to metal removed during machining
Magician's coin rim close-up: the circular seam where two machined coin pieces are joined is clearly visible.
Value: Face value only.
⚠️ Trap #3: Plated & Acid-Dipped Coins
A 1959 penny that appears silver (zinc, mercury, or chrome plating) or one that looks unusually small with mushy, faded details (acid dipping).
Post-mint alterations — the coin was deliberately coated or chemically treated after leaving the Mint, either as a novelty or an attempt to deceive.
- Plated coins still weigh 3.11g — a genuine silver-dime wrong-planchet error weighs 2.50g. The scale is definitive.
- Acid-dipped coins show uniformly mushy design with reduced diameter but no blank planchet area — no off-center crescent
- Neither alteration will show the Blakesley Effect or die-variety diagnostics
Value: Face value only, often considered damaged.
1959 Lincoln Cent: How Grade Affects Error Values
For a standard circulated 1959 cent, grade barely matters — it's worth face value regardless. For error varieties, grade is everything. The FS-101 DDO demonstrates the stakes clearly:
| Grade | Color | FS-101 DDO Value |
|---|---|---|
| MS64 | RD (Red) | $125–$160 |
| MS65 | RD | $150–$360 |
| MS66 | RD | $800–$850 |
| MS67+ | RD | $5,887 (record) |
Copper Color Designations
- RD (Red): 95%+ original mint luster — the highest value tier. The 1959 cent's high copper content makes this achievable with proper storage.
- RB (Red-Brown): Partial toning — mid-tier value for the same numerical grade.
- BN (Brown): Fully toned — lowest value tier. A Brown FS-101 DDO may not exceed $100 even in MS grades.
Store suspected error coins immediately in inert, non-PVC holders. Even brief exposure to air and humidity can shift a coin from RD to RB, costing hundreds of dollars in realized value.
1959 Lincoln Cent: When to Authenticate with PCGS or NGC
Third-party grading services (PCGS and NGC) examine your coin, assign a numeric grade, and seal it in a tamper-evident holder called a "slab." This adds market credibility, protects the surface, and is required for Registry Set competition. Here's when submission makes financial sense for 1959 cents:
- Submit: Any confirmed FS-101 DDO — the grade premium easily covers fees at MS64 RD and above
- Submit: Any suspected wrong-planchet error (silver or foreign) — values of $750–$3,818+ justify authentication cost
- Submit: FS-501 RPM in high uncirculated grades — a confirmed MS66 RD realized $192
- Submit: Major off-center strikes (20%+ off-center with full date visible)
- Skip: Circulated common-date 1959 cents (face value)
- Skip: Coins showing only machine doubling or suspected post-mint damage
⚠️ Never Clean Before Submitting
Cleaning — even gentle wiping — permanently damages surfaces and results in a "Cleaned" designation from PCGS/NGC, dramatically reducing value. If you suspect an error, place the coin in a non-PVC flip or hard holder immediately and submit it as-found.
The 1959-D Wheat Reverse Mule is a special case: despite U.S. Treasury authentication, both PCGS and NGC have issued "No Decision" verdicts. Any potential second example would require independent forensic verification before any auction submission.
For professional dealer referrals and buying or selling resources, consult the American Numismatic Association (ANA) dealer directory at money.org.
1959 Lincoln Cent Errors: Frequently Asked Questions
Why is 1959 considered a special year for Lincoln cent errors?
1959 was the 50th anniversary of the Lincoln cent and the 150th anniversary of Lincoln's birth. The U.S. Mint retired the Wheat Ears reverse (in use since 1909) and introduced Frank Gasparro's Lincoln Memorial reverse — the first reverse design change in half a century. This major production changeover at two Mints processing 1.8 billion coins created the conditions for transitional errors, die variety anomalies, and the controversial Wheat Reverse Mule.
How do I identify the 1959 FS-101 Doubled Die Obverse?
You need a 10× loupe. Look at LIBERTY and IN GOD WE TRUST on the front of the coin. On the FS-101, LIBERTY shows a distinct spread toward the coin's center with notched serifs — the letter tips appear split or double-tipped. The secondary image is raised, not flat. If the doubling looks like a flat step or shadow sheared sideways, that's machine doubling — common and worth face value. Compare to photos at PCGS CoinFacts #37953.
Is the 1959-D Wheat Reverse Mule a real mint error?
The only known specimen was authenticated as physically genuine by the U.S. Secret Service in 1987 — they found no evidence of counterfeiting (no spark erosion pitting, strike characteristics matched genuine Mint production). However, PCGS and NGC have returned "No Decision" verdicts, declining to certify it with a grade. The prevailing theory is an unauthorized single strike by a Mint employee, not a genuine press error. It sold for $48,300 at Goldberg Auctions in 2003. See Numismatic News's coverage for more context.
My 1959 penny looks silver — is it valuable?
Weigh it on a digital scale immediately. If it weighs 2.50 grams, it may be struck on a silver Roosevelt Dime planchet — a genuine and valuable mint error worth $750 to $2,750+. If it weighs 3.11 grams, it has been plated with zinc, mercury, or chrome after leaving the Mint and is worth face value only. The weight test is definitive and non-destructive.
What is the Blakesley Effect?
The Blakesley Effect is a diagnostic tool for authenticating clipped planchet errors. It is a weakness or thinness in the rim on the side of the coin directly opposite the clip. During the upsetting mill process (which raises the rim), missing metal at the clip site prevents the machine from applying full pressure to the opposite rim — leaving it thin. Genuine clips always show this effect; post-mint cuts do not. No Blakesley Effect is strong evidence the clip is fake.
Are 1959 Proof cents worth collecting?
Standard 1959 Proof cents (Philadelphia, mintage 1,149,291) are worth $3–$15 in typical condition — modest for the mintage. However, a Proof 1959 cent that also carries the FS-101 Doubled Die could be worth hundreds or thousands depending on grade. Impaired (handled) Proof examples are worth $1–$5. Proofs are identified by their mirror-like fields (the flat areas) and frosted raised devices (portrait and lettering).
What tools do I need to check my 1959 cents for errors?
Two tools cover nearly everything: (1) a 10× jeweler's loupe — required for spotting the FS-101 DDO, RPM varieties, and BIE die breaks; (2) a digital scale accurate to 0.01 grams — the definitive tool for identifying wrong-planchet errors. A silver dime planchet weighs 2.50g vs. the standard 3.11g. Both tools are inexpensive and available online. Good lighting (a bright LED desk lamp with raking light) also helps reveal die details.
Sources & Methodology
Values, diagnostics, and auction records in this guide are drawn exclusively from the following primary sources, current to January 2026:
- PCGS CoinFacts — 1959 1C RD (standard issue)
- PCGS CoinFacts — 1959 DDO FS-101
- PCGS CoinFacts — 1959-D RPM FS-501
- PCGS — The Mystery of the 1959-D Mule Lincoln Cent
- NGC — Double Dies vs. Machine Doubling
- Goldberg Auctions — 1959-D Wheat Reverse Mule lot (2003)
- Numismatic News — 1959-D Mule coverage
- Wexler's Doubled Die — 1959-D RPM reference
Auction records reflect realized prices at time of sale. Current market values fluctuate with grade, surface color (RD/RB/BN), eye appeal, and collector demand. Professional authentication (PCGS/NGC) is recommended before any significant purchase or sale.
A note on images: To help illustrate coin diagnostics and rare varieties — especially complex errors that are difficult to describe in text alone — this guide uses AI-generated images. All written values, diagnostics, and variety attributions have been manually reviewed against the cited sources above. While our editorial team works to ensure every image is accurate and helpful, AI-generated illustrations may occasionally misrepresent fine details. If you spot any discrepancy between an image and its written description, please contact us or leave a comment below — we review all feedback and correct errors promptly. Numismatic knowledge is a community effort, and your input helps us build a more accurate resource for everyone.
