MIKE BYERS INC
mike@mikebyers.com
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INVENTORY
View sold Mint Errors in our Archives
Mint Errors, Die Trials & Patterns
Proof 1891-O Seated Liberty Dime
Unique Branch Mint Proof
Listed in the
2024 Red Book 9
th
Edition
NGC PF 66
$350,000
UNIQUE SPECIMEN:
$5 1873 Closed 3
Experimental Finish
NGC SP 64
$400,000
1977 Canada Silver Jubilee $100
Struck on 8.1 gram 50c Planchet
(Regular Issue Struck In Gold)
PCGS PR 67 Deep Cameo
UNIQUE
$35,000
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
1921 Peace Dollar Plaster
Designed & Sculpted by Anthony de Francisci
UNIQUE in Private Hands
$60,000
1921 Peace Dollar Splasher
Judd A1921-1
High Relief
PCGS UNC Detail
UNIQUE
$60,000
Unique Set of Canadian Quarters
Overstruck by 1978 Canadian Cent Dies
Certified by PCGS
$35,000
1977 Lincoln Cent
Struck on an Aluminum Planchet
At The U.S. Mint in Philadelphia
1.04 Grams
NGC MS 60
Ex Fred Weinberg Collection
UNIQUE
$500,000
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
Gold Obverse Trial Strikes
World-Class Numismatic Rarity
Matthias II - Holy Roman Emperor
c.1612 Gold Coronation Medals
Matthias II and Anna
German States - Frankfurt am Main
Listed & Illustrated in Forschner
PCGS MS65 and MS64
1 of Only 2 Known Sets
$100,000
1944 Lincoln Cent - Wheat Reverse
Obverse Mirror Brockage
One of Only Two Known
CAC®
Rare Coin Market Review
Cover Coin
CACG AU50BN
$12,500
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
Charles A. Lindbergh
14-Inch Plaster Model of the Reverse
For The 1928 Congressional Gold Medal
Designed and Sculpted by Laura Gardin Fraser
$35,000
1932 Washington Quarter Reverse Plaster Model
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
Jefferson Nickel Die Trial
Reverse Electrotrial
by Anthony De Francisci
Judd #JC1938-1
PCGS MS 62
UNIQUE
$40,000
1904 $20
DOUBLE STRUCK
Rotated 180 Degrees in Collar
NGC MS 62 CAC
BYERS COLLECTION
1 of 4 Known
$150,000
1907 $20 Liberty Gold
DOUBLE STRUCK
Second Strike Partial Collar
NGC MS 62
1 of Only 4 Known
$25,000
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
Martha Washington Obverse Die
Used to Strike Half Dollar Experimental
Test Pieces for U.S. Judd #2131
NGC Certified & Encapsulated
1 of Only 2 Known In Private Hands
$75,000
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
1976-S Proof Bicentennial Eisenhower Dollar
Double Struck
Second Strike Off-Center
NGC PF 64⭑
UNIQUE
$100,000
1976-S Proof Bicentennial Silver Eisenhower Dollar
Struck On Outer Clad Layer
NGC
UNIQUE
$15,000
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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