1792 Half Disme Value Guide - America's First Federal Coin
Discover 1792 Half Disme values from $33,500 to over $1.4 million. Expert guide covers grading, authentication, specimen strikes, and the unique copper pattern.
The 1792 Half Disme is worth $33,500 to over $1.4 million, depending on grade and strike type.
- Circulated (G-4 to AU-58): $33,500 – $200,000
- Mint State (MS-60 to MS-68): $210,000 – $1,500,000
- Specimen Strikes (SP-67): $1,292,500 – $1,410,000
- Unique Copper Pattern: $824,850
This coin's value derives entirely from its status as America's first federal coinage and its connection to George Washington and Thomas Jefferson—not from its minimal silver content.
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America's First Federal Coin: The 1792 Half Disme
The 1792 Half Disme: America's first federal coinage
The 1792 Half Disme represents the genesis of United States coinage, struck under the authority of the Coinage Act of April 2, 1792. This five-cent piece holds the distinction of being the first coin produced under federal authorization, predating the establishment of the first U.S. Mint building. Its value ranges from $33,500 for heavily worn examples to over $1.4 million for exceptional specimens.
What makes this coin extraordinary is its direct connection to America's founding fathers. Thomas Jefferson personally received the initial delivery of 1,500 pieces, and President George Washington referenced this "small beginning in the coinage of half dimes" in his address to Congress. These coins were struck not in a mint facility, but in the cellar of Philadelphia saw-maker John Harper, using equipment that would soon be moved to the under-construction U.S. Mint.
This guide covers identification, accurate market valuations across all grades, authentication methods, the famous specimen strikes, and the unique copper pattern variety.
How to Identify the 1792 Half Disme
The 1792 Half Disme is instantly recognizable by its unique design elements and historical inscriptions that were never repeated on later coinage.
Obverse Design
The obverse features a left-facing bust of Liberty with flowing hair. The inscription LIB. PAR. OF SCIENCE & INDUSTRY encircles the portrait—an abbreviation for "Liberty, Parent of Science and Industry," reflecting Enlightenment-era ideals. The date 1792 appears below the bust.
Reverse Design
The reverse displays a small, stylized eagle in flight, facing left. The legend UNI. STATES OF AMERICA surrounds the eagle, with the denomination HALF DISME inscribed below. The spelling "Disme" is a French-derived term for "tenth," which was later anglicized to "Dime."
Diagonal reeding was a security feature to prevent clipping
Edge and Physical Specifications
The edge is diagonally reeded, a critical identifying feature and security measure against metal clipping. The coin weighs 1.35 grams and measures between 16.5mm and 17.5mm in diameter (sources report conflicting measurements, likely due to hand-prepared planchets creating genuine size variations). The composition is 89.2% silver and 10.8% copper.
No Mint Marks
The 1792 Half Disme bears no mint mark. All examples were struck at the same location in Philadelphia before the official U.S. Mint was completed.
Strike Types
Three distinct categories exist:
- Business Strike (Judd-7): The standard circulating coin, struck in silver. Most surviving examples fall into this category.
- Specimen Strike (SP): A small number of coins struck with exceptional care on specially prepared planchets, resulting in proof-like surfaces and superior sharpness.
- Copper Pattern (Judd-8): A unique die trial piece struck in copper to test the dies before silver production commenced.
1792 Half Disme Value Guide
The market for the 1792 Half Disme exhibits an exponential price curve driven by extreme condition rarity. Values are based on NGC and PCGS price guides (October 2025) and verified auction records from Heritage Auctions and Stack's Bowers Galleries.
Grade comparison: G-4 ($33,500), VF-20 ($85,000), MS-65 ($690,000)
Business Strike (Silver, Judd-7)
The standard silver issue represents the majority of surviving coins. Thomas Jefferson received the first delivery of 1,500 pieces and immediately began spending them on his journey from Philadelphia to Monticello, introducing them into circulation. This created two distinct survival populations: circulated examples showing honest wear from commerce, and a much smaller group of uncirculated specimens preserved from the moment of issue as keepsakes of this historic event.
| Grade | NGC Price Guide | PCGS Price Guide | Notable Auction Records |
|---|---|---|---|
| G-4 | $33,500 | $55,000 | $38,400 (PCGS G-6, Heritage, Nov 2017) |
| VG-8 | $50,000 | $65,000 | $49,200 (NGC VG-8, Heritage, Sep 2019) |
| F-12 | $58,500 | $90,000 | $78,000 (PCGS F-15, Heritage, Jan 2023) |
| VF-20 | $85,000 | $115,000 | $90,000 (PCGS VF-25, Heritage, Jan 2024) |
| EF-40 | $115,000 | $150,000 | $144,000 (PCGS EF-40, Heritage, Jan 2025) |
| AU-50 | $180,000 | $175,000 | $144,000 (PCGS AU-50, Heritage, Sep 2024) |
| AU-55 | $195,000 | $200,000 | $158,625 (PCGS AU-55, Heritage, Oct 2012) |
| AU-58 | $200,000 | $225,000 | $176,250 (PCGS AU-58, Heritage, Jan 2015) |
| MS-60 | $210,000 | $250,000 | — |
| MS-61 | $215,000 | $260,000 | $146,875 (NGC MS-61, Heritage, Aug 2017) |
| MS-62 | $230,000 | $275,000 | $210,000 (PCGS MS-62, Heritage, Jan 2024) |
| MS-63 | $350,000 | $350,000 | $305,500 (NGC MS-63, Heritage, Jan 2015) |
| MS-64 | $580,000 | $515,000 | $440,625 (PCGS MS-64, Stack's Bowers, May 2015) |
| MS-65 | $690,000 | $650,000 | $528,750 (PCGS MS-65, Heritage, Jan 2014) |
| MS-66 | $1,000,000 | $800,000 | $793,125 (PCGS MS-66, Stack's Bowers, Aug 2013) |
| MS-67 | $1,280,000 | $1,250,000 | See Specimen Strike records below |
| MS-68 | $1,500,000 | $1,750,000 | $1,145,625 (NGC MS-68, Stack's Bowers, Jan 2013) |
Specimen Strike (SP-67)
A small number of 1792 Half Dismes exhibit characteristics superior to typical business strikes, earning them a "Specimen" (SP) designation. These coins were struck with exceptional care on specially prepared planchets, resulting in unusually sharp details and proof-like or semi-proof-like surfaces. The most famous is the Starr Specimen, graded SP-67 by PCGS, which has a distinguished pedigree including the legendary collections of Virgil Brand and Floyd T. Starr.
Specimen strikes (left) show exceptional sharpness and proof-like surfaces compared to typical business strikes (right)
| Coin Designation | Grade | Auction Date | Auction House | Price Realized |
|---|---|---|---|---|
| Starr Specimen | PCGS SP-67 | April 2006 | Heritage Auctions | $1,322,500 |
| Starr Specimen | PCGS SP-67 | January 2013 | Heritage Auctions | $1,410,000 |
| Starr Specimen | PCGS SP-67 | August 2014 | Heritage Auctions | $1,292,500 |
Unique Copper Pattern (Judd-8)
A single example struck in copper exists, cataloged as Judd-8. This unique piece is considered a die trial—a test strike made to verify the design and die integrity before commencing production with precious metal. This was standard minting practice in 1792, and the copper specimen provides a critical link between the Half Disme and other experimental pattern coins of that year, such as the Birch Cent.
| Description | Grade | Auction Date | Auction House | Price Realized |
|---|---|---|---|---|
| Unique Copper Pattern (Partrick specimen) | NGC AU-55 (CAC) | January 2015 | Heritage Auctions | $824,850 |
💡 Understanding the Price Curve
The exponential price increase from AU-58 to MS-63, or MS-65 to MS-67, reflects a shift between two supply pools. Circulated coins represent "history in use," while high-grade mint state coins represent "preserved history"—a category with virtually no supply elasticity where a handful of examples face overwhelming collector demand.
Grading the 1792 Half Disme
Grading the 1792 Half Disme requires an understanding of its pre-industrial production characteristics. Even high-grade examples often exhibit features that would be considered flaws on later, machine-made coinage but are normal and acceptable for this issue.
First areas to show wear: hair curls, cheek, and eagle's breast
Good (G-4) to Fine (F-12)
In Good condition, the coin shows heavy wear with Liberty's portrait flattened and the date barely visible. Major design elements are identifiable but lack detail. The legend may be partially worn away at high points. In Fine grade, the date is clear, Liberty's hair shows some major curls, and the eagle on the reverse has discernible body definition, though feather details are largely worn smooth.
Very Fine (VF-20) to Extremely Fine (EF-40)
Very Fine examples show moderate wear with Liberty's hair curls partially visible and clear separation between major design elements. The eagle's breast and leg feathers show some detail. In Extremely Fine, most hair curls are visible with only slight wear on the highest points. The eagle shows clear feather definition with wear only on the breast and upper leg feathers.
About Uncirculated (AU-50 to AU-58)
About Uncirculated coins retain nearly full design detail with only slight friction on the highest points: Liberty's cheek, the central curls of her hair, and the eagle's breast. Original mint luster is visible in protected areas. AU-58 coins show minimal friction and retain substantial luster.
Weak strikes are common even on high-grade examples
Mint State (MS-60 to MS-68)
Mint State examples show no wear from circulation. However, grading Mint State 1792 Half Dismes is complex because strike weakness is common even on the finest examples. It is normal and expected for the central curls of Liberty's hair and the eagle's breast and leg feathers to show some weakness, even on MS-65+ coins. This should not be penalized as it's a production characteristic, not a grading defect.
MS-60 to MS-62 coins have full luster but may show contact marks, small scratches, or bag marks from handling. MS-63 to MS-64 examples have fewer marks and better eye appeal. MS-65 and higher coins are extremely rare, showing exceptional surfaces with minimal marks, strong eye appeal, and as sharp a strike as can be expected for the issue. MS-67 and MS-68 represent the absolute finest known examples.
⚠️ Critical Strike vs. Wear Distinction
A weak strike shows softness in the metal's flow during striking, with details lacking crispness even in protected areas. Wear from circulation shows smoothing of high points with luster interrupted. The central hair curls and eagle feathers on the 1792 Half Disme are frequently weak even on uncirculated coins due to die characteristics and planchet preparation—this is not wear and should not affect the coin's grade.
Adjustment Marks and Planchet Flaws
Many 1792 Half Dismes show adjustment marks—parallel file marks made to planchets before striking to reduce their weight to the proper standard. These marks are not considered damage by grading services and will not result in a "Details" grade unless they are exceptionally deep and disfiguring. Graders recognize them as integral to 18th-century minting.
Adjustment marks are parallel file marks made before striking - they're expected and acceptable
The critical skill for collectors is differentiating pre-strike adjustment marks, which typically run in a uniform direction and do not cut across raised design elements, from post-strike scratches or cleaning hairlines, which are random, cut through the design, and severely impair value.
Specimen Strikes
Specimen (SP) strikes show characteristics superior to typical business strikes. They were struck with exceptional care, resulting in unusually sharp details and proof-like or semi-proof-like surfaces. The finest known example is the PCGS SP-67 Starr Specimen, which serves as the benchmark for this category.
Authentication and Counterfeit Detection
The high value of the 1792 Half Disme makes it a target for counterfeiters, with cast forgeries being a known threat in the marketplace. Authentication should always be left to major third-party grading services (PCGS or NGC), but collectors can perform preliminary checks using several diagnostic points before submitting a coin for certification.
The most critical authentication checkpoint is the coin's physical specifications. A genuine example must weigh precisely 1.35 grams and conform to the silver alloy composition of 89.2% silver and 10.8% copper. Significant deviations from these specifications are the primary red flag for a counterfeit. Collectors should use a precision scale accurate to at least 0.01 grams and, if possible, have the specific gravity tested by a professional.
Surface characteristics provide another crucial diagnostic. Genuine struck coins, even when heavily worn, exhibit the sharp, hard details of metal displaced under immense pressure. Counterfeits made from casts often have a porous, soapy, or soft appearance. Examine the fields and design elements under magnification for unnatural raised lines, lumps, or a grainy texture, which are artifacts of the transfer die process used to create modern fakes. Genuine coins struck from steel dies will have a different "feel" to the metal flow—design elements appear crisply defined even when worn, while cast pieces often look mushy or indistinct.
The edge detail is specific and difficult to replicate. The diagonal reeding on a genuine 1792 Half Disme was created by a special collar during striking. Counterfeits may have incorrect reeding style (such as vertical reeding), a plain edge, or show a visible seam if two cast halves were joined. Examine the edge carefully with magnification for any evidence of tooling, filing, or seams that would indicate a cast and assembled fake.
Finally, be aware that "Details" grades can dramatically reduce value. A coin that receives an NGC or PCGS "Details" grade with a qualifier such as "Cleaned," "Scratched," or "Environmental Damage" is still a genuine coin, but one with impairments. An AU Details specimen sold for $69,000 in 2023, whereas problem-free AU examples trade for well over $150,000. For serious collectors, a Details coin is typically viewed as a temporary placeholder until a problem-free specimen can be acquired. Never attempt to improve a coin's appearance through cleaning or other interventions, as this will only worsen the problem and further reduce value.
Production Characteristics and Mint Errors
The 1792 Half Disme was produced using hand-operated screw press technology in a makeshift facility, resulting in several common anomalies that would be classified as mint errors on modern coinage but are better understood as characteristic features of pre-industrial minting.
Minor off-center strikes are characteristic of hand-fed screw press production
Off-Center Strikes
Many surviving examples are weakly or slightly off-center struck. This resulted from the manual feeding of planchets into the screw press, where precise centering was difficult to achieve consistently. Minor off-center strikes are considered normal for this issue and do not typically affect value. The design should still be substantially visible and identifiable. A dramatically off-center example, where significant portions of the design are missing, would be of interest to specialists in error coins, but no established market data exists for such dramatic examples from this issue.
Adjustment Marks
The most frequently encountered production feature is the presence of adjustment marks. These are parallel file marks visible on the coin's surface, made to a planchet before striking to reduce its weight to the proper standard. In the 1792 era, planchets were hand-prepared, and when one was found to be overweight, a mint worker would file it down to the correct specification. These marks are not considered damage in any way. Grading services recognize them as an integral part of 18th-century minting and will assign a numerical grade without the "Details" qualifier unless the marks are exceptionally deep and disfiguring.
Collectors must develop the critical skill of differentiating these pre-strike adjustment marks from post-strike damage. Adjustment marks typically run in a uniform direction parallel to one another and do not cut across or through raised design elements (because they were made to a blank planchet before it was struck). Post-strike scratches or cleaning hairlines are typically random in direction, cut across the raised design, and appear on top of the coin's surface details. This distinction is crucial because adjustment marks do not harm a coin's grade or value, while post-strike damage severely impairs both.
✓ Production Feature vs. Damage
Adjustment marks (acceptable): Parallel lines, uniform direction, made before striking, do not cross design elements.
Cleaning hairlines (damage): Random direction, cross design elements, made after striking, appear on top of details.
Weak Strikes
As discussed in the grading section, weak strikes are common and expected. Even Mint State examples frequently exhibit weakness in the central curls of Liberty's hair and the breast and leg feathers of the eagle. This is a characteristic of the dies and the hand-striking process, not a defect. Collectors should not penalize a coin for lacking the full, sharp strike seen on later, machine-made coinage.
Preservation and Care
Proper stewardship of a historical artifact like the 1792 Half Disme is paramount for maintaining its numismatic value and historical integrity. Given the coin's significant value and rarity, collectors should follow strict preservation protocols.
Coins of this value should be professionally graded and encapsulated by PCGS or NGC. These inert, sealed holders (commonly called "slabs") provide the best protection against environmental damage and improper handling. The holders are designed to be airtight, preventing exposure to humidity, pollutants, and contaminants that can cause toning, corrosion, or chemical reactions with the silver surface. Store slabbed coins in a cool, dry, stable environment away from extreme temperature fluctuations, direct sunlight, and sources of moisture.
The most critical preservation rule is this: never, under any circumstances, attempt to clean a 1792 Half Disme. Any abrasive or chemical cleaning will permanently damage the coin's original surface, leaving behind microscopic scratches called hairlines that are easily detected under magnification. This damage is irreversible and drastically reduces both the coin's numismatic value and its historical integrity. Even gentle wiping with a soft cloth will create hairlines. The market heavily penalizes cleaned coins—comparing auction records, problem-free AU examples command $150,000+, while AU Details coins with cleaning qualifier sold for as little as $69,000.
Originality of surface is the most prized attribute after grade. A coin with honest wear and original, unmolested surfaces will always be more desirable and valuable than a higher-detail coin that has been harshly cleaned. The natural patina and toning that develops on silver over 230+ years is part of the coin's history and should be preserved. Collectors should embrace the coin's authentic appearance rather than attempting to make it look "brighter" or "better."
If you inherit or acquire an unslabbed 1792 Half Disme, resist any temptation to handle it directly or attempt any form of conservation. Place it in a proper coin flip or capsule (non-PVC plastic only) and submit it directly to PCGS or NGC for authentication and grading. Professional conservators at these services have the expertise and tools to stabilize any active problems, such as verdigris or active corrosion, without causing further damage. Do-it-yourself conservation attempts invariably cause more harm than good.
Recent Auction Results
The following table compiles notable auction appearances of the 1792 Half Disme from 2012 to 2025, demonstrating the coin's consistent strength in the marketplace and the premium placed on high-grade examples.
| Grade | Auction Date | Auction House | Price Realized |
|---|---|---|---|
| PCGS G-6 | November 2017 | Heritage Auctions | $38,400 |
| NGC VG-8 | September 2019 | Heritage Auctions | $49,200 |
| PCGS AU-55 | October 2012 | Heritage Auctions | $158,625 |
| PCGS F-15 | January 2023 | Heritage Auctions | $78,000 |
| PCGS VF-25 | January 2024 | Heritage Auctions | $90,000 |
| PCGS EF-40 | January 2025 | Heritage Auctions | $144,000 |
| PCGS AU-50 | September 2024 | Heritage Auctions | $144,000 |
| PCGS AU-58 | January 2015 | Heritage Auctions | $176,250 |
| NGC MS-61 | August 2017 | Heritage Auctions | $146,875 |
| PCGS MS-62 | January 2024 | Heritage Auctions | $210,000 |
| NGC MS-63 | January 2015 | Heritage Auctions | $305,500 |
| PCGS MS-64 | May 2015 | Stack's Bowers | $440,625 |
| PCGS MS-65 | January 2014 | Heritage Auctions | $528,750 |
| PCGS MS-66 | August 2013 | Stack's Bowers | $793,125 |
| NGC MS-68 | January 2013 | Stack's Bowers | $1,145,625 |
| PCGS SP-67 (Starr) | April 2006 | Heritage Auctions | $1,322,500 |
| PCGS SP-67 (Starr) | January 2013 | Heritage Auctions | $1,410,000 |
| PCGS SP-67 (Starr) | August 2014 | Heritage Auctions | $1,292,500 |
| NGC AU-55 (Copper, CAC) | January 2015 | Heritage Auctions | $824,850 |
| AU Details (Cleaned) | 2023 | Coin World | $69,000 |
💡 Market Observations
Note the dramatic value difference between problem-free AU coins ($144,000+) and AU Details specimens ($69,000). This 50%+ penalty underscores the critical importance of surface preservation and originality in the marketplace for high-value early American coinage.
Frequently Asked Questions
How much is my 1792 Half Disme worth?
The value depends entirely on grade and whether it's a business strike, specimen strike, or the unique copper pattern. Circulated examples range from $33,500 (G-4) to $200,000 (AU-58). Mint State coins range from $210,000 (MS-60) to $1,500,000 (MS-68). The famous SP-67 Starr Specimen has sold for up to $1,410,000, and the unique copper pattern realized $824,850.
Does the 1792 Half Disme have a mint mark?
No. All 1792 Half Dismes were struck at the same location in Philadelphia before the official U.S. Mint building was completed. The coins were produced using a screw press set up in the cellar of saw-maker John Harper. No mint marks exist on this issue.
Should I get my 1792 Half Disme professionally graded?
Absolutely. Given the coin's high value (minimum $33,500 even in heavily worn condition), professional authentication and grading by PCGS or NGC is essential. These services will detect counterfeits, assign an accurate grade, and encapsulate the coin in a protective holder that preserves its condition and provides third-party verification for future sales.
What are adjustment marks and do they hurt the value?
Adjustment marks are parallel file marks made to planchets before striking to reduce their weight to the correct standard. These marks are a normal part of 1792-era minting and are not considered damage. Grading services will assign a numerical grade without penalty unless the marks are exceptionally deep and disfiguring. Adjustment marks are entirely different from post-strike scratches or cleaning hairlines, which do severely impair value.
Why is the 1792 Half Disme so valuable?
The coin's value derives from its status as America's first federal coinage, its direct connection to George Washington and Thomas Jefferson, and its extreme rarity. Only 1,500 to 2,500 were originally minted, with an estimated 200 to 400 survivors today. The coin's historical significance as the "small beginning" of U.S. coinage, announced by President Washington, makes it one of the most desirable pieces in American numismatics.
What is the Starr Specimen?
The Starr Specimen is the finest known 1792 Half Disme, graded SP-67 by PCGS. It's a specimen strike—a coin struck with exceptional care on specially prepared planchets, resulting in proof-like surfaces and exceptional sharpness. The coin has a distinguished pedigree including the legendary collections of Virgil Brand and Floyd T. Starr. It has appeared at auction three times between 2006 and 2014, realizing prices between $1,292,500 and $1,410,000.
How can I tell if my 1792 Half Disme is genuine?
Authentication should be left to professional services, but preliminary checks include: verifying the weight (1.35 grams), examining surface characteristics (genuine coins show sharp struck details, not the soft, porous appearance of cast fakes), and inspecting the edge for correct diagonal reeding. Cast counterfeits may show raised lines, grainy texture, or edge seams. Always submit high-value coins to PCGS or NGC for definitive authentication.
What is the unique copper 1792 Half Disme?
A single example of the 1792 Half Disme was struck in copper instead of silver. Cataloged as Judd-8, this unique piece is considered a die trial—a test strike made to verify die quality before precious metal production commenced. It was part of the famous Partrick Collection and sold for $824,850 in 2015. Its existence confirms the experimental nature of 1792 coinage production.
Should I clean my 1792 Half Disme?
Never. Any cleaning will permanently damage the coin's surface, leaving microscopic scratches (hairlines) that drastically reduce value. A cleaned coin will receive a "Details" grade qualifier and sell for a fraction of a problem-free example—recent auctions show AU Details coins selling for $69,000 versus $150,000+ for problem-free AU coins. Original, unmolested surfaces are the most prized attribute after grade.
Are there different varieties of the 1792 Half Disme?
No major die varieties exist. All known examples, whether silver business strikes, specimen strikes, or the unique copper pattern, were struck from a single die pair (Logan-McCloskey-1). While the dies developed cracks during the production run, creating early and late die states, these do not constitute collectible varieties that carry market premiums. Value is determined by grade and surface quality, not die state.
Research Methodology and Sources
This guide synthesizes data from multiple authoritative sources to provide the most accurate and comprehensive valuation information available for the 1792 Half Disme. Price data is drawn from the NGC Price Guide and PCGS Price Guide (both updated October 2025), which reflect actual transaction data and current market conditions. Auction records are sourced from NGC Coin Explorer, PCGS CoinFacts, and verified sales from Heritage Auctions and Stack's Bowers Galleries.
Historical context and technical specifications are drawn from academic numismatic sources including CoinWeek, Stack's Bowers Galleries, and specialized references on early American coinage. Authentication guidance is informed by NGC counterfeit detection resources and grading standards published by major certification services.
Coin values fluctuate based on market conditions, auction results, and changes in collector demand. While this guide reflects the most current data available as of late 2025, readers should consult recent auction results and professional numismatists for real-time valuations when considering a purchase or sale. The exponential value increase at higher grades reflects genuine market dynamics where supply is essentially fixed while demand from advanced collectors continues to grow.
