INVENTORY

View sold Mint Errors in our Archives


U.S. Mint Errors, Die Trials & Patterns


Proof 1891-O Seated Liberty Dime
Unique Branch Mint Proof
Listed in the 2024 Red Book 9th Edition
NGC PF 66
$350,000

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UNIQUE SPECIMEN:
$5 1873 Closed 3
Experimental Finish
NGC SP 64
$400,000

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1921 Peace Dollar Plaster
Designed & Sculpted by Anthony de Francisci
Unique in Private Hands
$60,000

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1921 Peace Dollar Splasher
Judd A1921-1
High Relief
PCGS UNC Detail
UNIQUE
$60,000

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1904 $20 DOUBLE STRUCK
Rotated 180 Degrees in Collar
NGC MS 62 CAC
BYERS COLLECTION
1 of 4 Known
$150,000

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1976-S Proof Bicentennial Eisenhower Dollar
Double Struck
Second Strike Off-Center
NGC PF 64⭑
UNIQUE
$100,000

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1973-S Proof BRONZE Eisenhower Dollar
Broadstruck on Bronze Planchet
PCGS PR 62 RED CAMEO
(Previously NGC PF 61 CAMEO)
BYERS-FROHMAN
UNIQUE
$100,000

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1977 Lincoln Cent
Struck on an Aluminum Planchet
At The U.S. Mint in Philadelphia

1.04 Grams
NGC MS 60
UNIQUE
$500,000

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Martha Washington Reverse Die
Used to Strike 1 Cent Experimental
Test Pieces for U.S. Judd #2180
NGC Certified & Encapsulated
UNIQUE IN PRIVATE HANDS
$75,000

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1932 Washington Quarter Reverse Plaster
Designed and Sculpted by Laura Gardin Fraser
Plaster & Original Photograph from her Estate
Adopted Reverse Design for the 1999 $5 Gold
George Washington Commemorative
UNIQUE 11½" Plaster Model

$40,000

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1970-S United States Proof Washington Quarter
Overstruck on a
1941 Canadian George VI Silver Proof Quarter
PCGS PROOF 66 (previously NGC PF 65)
UNIQUE
$40,000

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Martha Washington Obverse Die
Used to Strike Half Dollar Experimental
Test Pieces for U.S. Judd #2131
NGC Certified & Encapsulated
ONLY 2 KNOWN IN PRIVATE HANDS
$75,000

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1971-S Proof Eisenhower Dollar
Overstruck on a Bronze
San Francisco Assay Office Medal
(17.1g)
NGC PF 69 RED CAMEO
UNIQUE
$100,000

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1974-S Lincoln Cent Mated Pair
Struck by 2 U.S. Cent Obverse Dies
Coin #1 On 1973 Panama Tenth Balboa
Coin #2 Reverse Brockage

NGC MS 66 & MS 64 BN
UNIQUE DISCOVERY
$150,000

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Mated Pair of Proof Ike Dollars
Struck Off-Center on 1¢ Planchets
NGC Proof 67 RB & Proof 66 RB
UNIQUE
$50,000

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Proof 197X-S Ike Dollar
Double Struck on 2 gram
Aluminum Shell Gas Token
PCGS PR 64
2 Known
$30,000

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1973-S Proof Kennedy Half
Struck In (1.6g) Copper Planchet on Obverse
(Bonded Pair)
NGC PF 67
UNIQUE
$30,000

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Ike Dollar
Struck 35% Off-Center
On Taiwan $1 Planchet
PCGS MS 64
UNIQUE
$15,000

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1976-S Proof Bicentennial Silver Eisenhower Dollar
Struck On Outer Clad Layer
NGC
UNIQUE
$10,000

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