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One 2000 quarter — the legendary Sacagawea Mule error — sold for $194,062.50 at GreatCollections in January 2024. Most are worth 25¢. Which one do you have?
This free calculator covers all five state designs (Massachusetts, Maryland, South Carolina, New Hampshire, Virginia), both circulation mints, and every major error variety — so you get a real answer in seconds.
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Use the Calculator →The (2000)-P Sacagawea Dollar / Washington Quarter Mule is the #1 ranked U.S. mint error ever recorded. About 20 known examples exist. Use this checklist to see if yours could be real.
Values below are based on PCGS auction data and published price guides. For a more detailed 2000 quarter identification walkthrough with photos of every design and error type, the in-depth 2000 quarter reference and identification guide is an excellent companion resource. Circulated examples of all five state designs are worth face value (25¢) regardless of mint mark.
| Coin Variety | Worn (G–VF) | Circ (EF–AU) | Unc (MS63–65) | Gem (MS66–67) | Top Grade |
|---|---|---|---|---|---|
| Massachusetts P or D | $0.25 | $0.25 | $3 – $12 | $25 – $50 | ~$9,000 (MS69) |
| Maryland P or D | $0.25 | $0.25 | $3 – $12 | $15 – $40 | $100+ (MS68) |
| South Carolina P or D | $0.25 | $0.25 | $3 – $10 | $15 – $25 | $100+ (MS68) |
| New Hampshire P or D | $0.25 | $0.25 | $3 – $12 | $25 – $50 | $650+ (MS68) |
| Virginia P or D | $0.25 | $0.25 | $3 – $12 | $30 – $55 | $650+ (MS68) |
| Any S Clad Proof (DCAM) | — | — | $5 – $14 | $12 – $22 | $300+ (PR70) |
| Any S Silver Proof (DCAM) | ~$8.77 melt | — | $10 – $18 | $16 – $28 | $978–$1,035 (PR70) |
| Missing Clad Layer | $75 – $150 | $100 – $250 | $200 – $500 | $500+ | $1,000+ |
| Struck on Nickel Planchet | $400 | $700 | $1,000+ | $1,500 | $1,500+ |
| Off-Center Strike (20%+) | $30 | $50 | $100 – $300 | $400+ | $700+ |
| Maryland Black Beauty | $25 | $50 – $100 | $100 – $250 | $250+ | $500+ |
| 🏆 Sacagawea Mule (any grade) | $60,000 – $194,000+ — value driven by existence, not grade | $194,062 (MS66, 2024) | |||
📱 CoinHix gives you an instant on-the-go estimate by identifying your coin from a photo before you head to a dealer — a coin identifier and value app.
The year 2000 produced five state quarter designs simultaneously — and the technical demands of that mass production led to a remarkable variety of mint errors. Below are the six most significant varieties in descending order of value, with everything you need to identify them at home.
The (2000)-P Sacagawea Dollar / Quarter Mule came into existence in the spring of 2000 at the Philadelphia Mint when a press operator was mistakenly given a Washington quarter obverse die instead of the required Sacagawea dollar obverse die. The two mismatched dies were paired on a coinage press dedicated to dollar coin production, striking the manganese-brass dollar planchets used for Sacagawea coins.
U.S. Mint officials determined that roughly 350,000 mule errors were produced before the mistake was discovered. Treasury staff located most of the output at an armored carrier facility and destroyed them, but approximately 20 examples escaped into circulation. Each surviving specimen shows Washington's portrait on the obverse, the soaring eagle reverse from the Sacagawea dollar, a golden brass color, and a plain smooth edge — no date appears anywhere on the coin.
Ranked #1 in the book 100 Greatest U.S. Error Coins and listed on the PCGS Top 100 as one of the most significant numismatic rarities of the modern era. Three distinct die pairs have been identified, with Die Pair 1 distinguished by a die crack in the letter "F" of the word "OF" on the reverse. The record auction price of $194,062.50 was set at GreatCollections in January 2024 for a PCGS MS66 specimen.
A wrong-planchet error occurs when a coin blank intended for one denomination accidentally finds its way onto a press set up for a different denomination. In this case, a Jefferson nickel planchet — measuring 21.2mm and weighing 5.0 grams — was struck by the 2000 state quarter dies, which are designed for a 24.3mm, 5.67-gram planchet. The error most frequently affected Maryland quarters, with at least one PCGS MS65 example attributed in dealer records.
The visual result is striking: the quarter design is compressed onto a significantly smaller disc, causing the outer legends to be clipped by the edge of the planchet. "UNITED STATES OF AMERICA" and portions of the state motto will appear partially or fully cut off. The coin will look slightly thicker relative to its diameter than a normal quarter.
Weight is the decisive diagnostic tool for this error. A digital kitchen scale accurate to 0.01 grams is sufficient — any coin weighing exactly 5.0 grams (nickel planchet) or 5.67 grams (correct quarter planchet) immediately tells you which it is. Professional certification by PCGS or NGC is required to unlock full market value; documented examples have been reported at $1,000 to $1,500.
Modern clad quarters are manufactured as a three-layer sandwich: a pure copper core bonded between two outer layers of 75% copper / 25% nickel alloy. Occasionally, during the bonding mill process, one of those outer nickel layers fails to adhere properly to the copper core. When the planchet goes through the coining press, the result is a coin with one side displaying the normal silver-gray clad finish and the other side showing exposed, bright orange-red copper.
The Maryland design produced well-documented examples of this error. The missing-clad side retains the full struck design — Washington's portrait or the state reverse — but the surface texture is distinctly different: slightly more matte and rough compared to the smooth metallic sheen of the normal clad side. Weight is the most reliable diagnostic: a single-side missing-clad quarter weighs approximately 4.7 grams versus the normal 5.67 grams.
Coins missing both outer layers (the full copper planchet error) are significantly rarer and can exceed $1,000, while single-side examples typically trade between $100 and $500. The error is one of the easier planchet varieties to spot with the naked eye, making it a popular target among roll searchers. Certified examples in higher grades command premium prices from type collectors seeking dramatic, eye-appealing specimens.
Before coin blanks are struck, they pass through an annealing furnace to relieve metal stress and soften the planchet for a cleaner strike. When planchets remain in that furnace significantly longer than intended, the intense heat causes copper to migrate to the surface of the clad layers — producing a deep, uniform gunmetal-black or charcoal finish. The 2000 Maryland quarter is the most frequently reported 2000-year design to exhibit this error.
The key visual diagnostic is the combination of two seemingly contradictory features: the coin is dark — often as dark as a toned 19th-century copper coin — yet it retains brilliant, mirror-like mint luster. A truly dirty or corroded coin will be dull and lifeless; a genuine Black Beauty will still flash and reflect light through its dark finish. The coloring is completely uniform across the entire surface, with no spotty or patchy areas.
Authenticated Black Beauty Maryland quarters have traded in the $50 to $250 range depending on the depth of the toning and overall surface preservation. More dramatic examples with near-perfect fields command higher premiums, as the striking visual contrast makes them eye-catching display pieces. The error also appears on other 2000 state designs, though Maryland examples are the most referenced in dealer inventories and collector forums.
A progressive die crack developed on some New Hampshire quarter reverse dies during production, originating near the mouth area of the Old Man of the Mountain rock profile depicted on the coin's reverse. As the die deteriorated from repeated striking, a raised metal line formed on struck coins — running outward from the profile in a manner that makes the famous rock formation appear to be spitting or blowing air.
Die cracks appear as raised, irregular metal lines on struck coins because the damaged die cavity fills with metal during the strike, leaving the crack's shape permanently impressed on the coin's surface. The New Hampshire crack is a classic progressive die crack — consistently starting near the same location on the mouth of the Old Man profile. The formation itself collapsed in 2003, just three years after these coins were minted, lending historical poignancy to the variety.
Values range from modest premiums of $10 to $30 for minor examples to $50 to $75 or more for dramatic, clearly defined cracks on high-grade uncirculated coins. Note that many eBay listings claim "New Hampshire Doubled Die" — research by specialists at Wexler's Coins and Die Varieties indicates the vast majority of those are actually machine doubling or die deterioration doubling, which carries essentially no premium. Only a genuine die crack with a raised, sharp line commands collector interest.
An off-center strike occurs when a coin blank shifts position on the anvil die before the hammer die descends, causing the design to be impressed off-center relative to the coin's physical blank. The result is a coin with a clearly visible blank, unstruck arc on one side and the full design compressed toward the opposite edge. The 2000 New Hampshire quarter — with its "Old Man of the Mountain" design — is one of the most frequently reported off-center examples from this series, likely due to the high die pressure required for the design's deep relief areas.
Off-center strikes are graded by the percentage of blank area visible. A 10% off-center shows a thin crescent of blank metal at the edge; a 50% off-center shows half the coin unstruck. For 2000 state quarters, collectors particularly prize examples where Washington's portrait remains fully visible on the obverse, as partial-portrait examples are less desirable. The date must also be readable to maximize value for most varieties.
Values depend heavily on the degree of offset and coin preservation. Minor off-centers (5–10%) with full date and portrait visible can trade for $30 to $75. Dramatic examples at 20% or more off-center in uncirculated condition can command $100 to $300 or higher. Extreme off-center examples (40–50%) where the design is still complete enough to identify the state are the most desirable and can approach $700 in gem condition. These errors span all five 2000 state designs and both mint marks.
Found one of these errors on your coin? Run it through the calculator for an estimated value range.
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| Design / State | Philadelphia (P) | Denver (D) | S Clad Proof | S Silver Proof |
|---|---|---|---|---|
| Massachusetts | ~628 million | ~535 million | 4,020,172 sets | 965,421 |
| Maryland | ~678 million | ~556 million | 4,020,172 sets | 965,421 |
| South Carolina | ~742 million | ~566 million | 4,020,172 sets | 965,421 |
| New Hampshire | ~673 million | ~495 million | 4,020,172 sets | 965,421 |
| Virginia | ~943 million | ~651 million | 4,020,172 sets | 965,421 |
| Combined Total (P+D) | Over 6.4 billion coins | ~4.82M clad / ~965K silver per design | ||
Washington's hair details are flattened and merging; the high points of his portrait show clear wear. The state reverse design may still be mostly visible but raised elements show smoothing. These coins are worth exactly face value — 25 cents — in virtually all cases unless a major error is present.
Light wear on Washington's cheek, hair above the ear, and the reverse's highest relief points. Some original luster may remain in protected areas. Technically above face value but the market for EF-AU state quarters is thin — dealers generally pay face value unless it's a special error or variety.
No wear, but may have contact marks from bag handling or roll storage. Original luster present throughout. MS63 shows scattered marks; MS65 is noticeably cleaner with strong luster. These typically retail for $3 to $12 depending on state design and specific grade — Massachusetts and Virginia command slight premiums.
Exceptional quality with minimal contact marks and blazing original luster. MS67 is the realistic ceiling for most 2000 state quarters; MS68 examples are genuinely rare and command hundreds of dollars. Only a handful of MS69 specimens exist for any single design — a 2000-D Massachusetts MS69 sold for approximately $9,000 at auction.
🔍 CoinHix lets you compare your quarter's surfaces against a database of graded examples to cross-check your condition assessment before submitting to a professional grader — a coin identifier and value app.
The premier venue for significant error coins and high-grade certified specimens. If you have a confirmed Sacagawea Mule, a MS68+ regular strike, or a certified major error, Heritage reaches the deepest pool of serious numismatic buyers. Their consignment specialists will evaluate your coin at no cost. Best for coins worth $500 or more.
The most liquid marketplace for uncirculated 2000 state quarters and minor error varieties. Use completed listings to gauge realistic prices before listing. For recent sold prices on 2000 Maryland quarter listings and comps, the CoinHix marketplace data is a reliable starting benchmark. Raw (uncertified) coins sell best in the $3–$20 range; certified coins should be listed with clear slab photos.
Ideal for face-value coins you want to quickly liquidate, or for getting an in-person expert opinion on whether an error is genuine before investing in PCGS/NGC submission fees. Expect wholesale prices (typically 50–70% of retail) but benefit from immediate payment and no shipping risk. Bring comparable eBay sold listings to support your asking price.
Excellent communities for getting a second opinion on whether your suspected error is genuine before spending on certification. Post clear photos of both sides and the edge, include a weight measurement, and describe what makes you think it's an error. Community members are generally knowledgeable and will quickly distinguish true errors from common machine doubling or post-mint damage.
The free calculator covers all five 2000 state designs, both mint marks, and every major error variety.
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