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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Kennedy Half Dollar
Struck on a Copper-Zinc Planchet
83% Cu, 17% Zn
Weight 2.4 grams
Likely Struck on an Experimental Cent Planchet
NGC MS 64 RB
UNIQUE
$25,000

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1944 Lincoln Cent - Wheat Reverse
Obverse Mirror Brockage
One of Only Two Known
CAC® Rare Coin Market Review Cover Coin
CACG AU50BN
$12,500

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Charles A. Lindbergh
14-Inch Obverse Bronze Galvano
For The 1928 Congressional Gold Medal

Designed and Sculpted by Laura Gardin Fraser
Unique in Private Hands
$50,000

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Charles A. Lindbergh
14-Inch Plaster of the Reverse
For The 1928 Congressional Gold Medal
Designed and Sculpted by Laura Gardin Fraser
$35,000

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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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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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Jefferson Nickel Die Trial
Reverse Electrotrial
by Anthony De Francisci
Judd #JC1938-1
PCGS MS 62
UNIQUE
$40,000

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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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1907 $20 Liberty Gold
DOUBLE STRUCK
Second Strike Partial Collar
NGC MS 62
1 of Only 4 Known
$25,000

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

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1976-S Proof Bicentennial Silver Eisenhower Dollar
Struck On Outer Clad Layer
NGC
UNIQUE
$15,000

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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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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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