MIKE BYERS INC
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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
19XX-S Walking Liberty Half Dollar
Double Struck 90% Off-Center
(Actually Struck 85% Off-Center)
Die Struck Both Sides
PCGS AU 53
Rare S-Mint With Only 3 Known
$25,000
1972-S Proof Ike Dollar "Clover Leaf"
Mated Set on Nickel and Cent Planchets
NGC PROOF 65
UNIQUE
$100,000
1972-S Proof Ike Dollar Mated Pair
Ike Dollar Struck on a 1¢ Planchet
mated with an
Ike Dollar Struck on a 10¢ Planchet
NGC PROOF 67
$60,000
Proof Ike Dollar Mated Pair
Ike Dollar Struck on a 1¢ Planchet
mated with an
Ike Dollar Struck on a 10¢ Planchet
NGC PROOF 65
$50,000
Bolivia 1942 50 Centavos
Struck at the Philadelphia Mint
On a U.S. Wartime Nickel Planchet
4.9g - Whittier Collection
NGC MS 65
UNIQUE
$25,000
1944 Lincoln Cent
Overstruck on a 1944 Netherlands 10C
Double Denomination
NGC XF 45
UNIQUE
$25,000
1980-D Lincoln Cent
Struck on 90% Silver Dime Planchet 2.5g
Silver Cent
Extremely Rare Transitional Mint Error
NGC MS 64
1 of Only 3 Known
$12,500
1980-D Lincoln Cent
Struck on 90% Silver Dime Planchet 2.5g
Silver Cent
Extremely Rare Transitional Mint Error
NGC MS 64
1 of Only 3 Known
$12,500
1896-S Liberty Head $20
Obverse Struck Thru
(75% Struck Thru Grease/Filled Dies)
NGC Mint Error
$25,000
1904 $20
DOUBLE STRUCK
Rotated 180 Degrees in Collar
NGC MS 62 CAC
BYERS COLLECTION
1 of 4 Known
$150,000
1855-O Type 2 Gold Dollar
Double Struck
Second Strike Off-Center
NGC AU Details (Damaged)
UNIQUE
$40,000
1968-S Kennedy Half Dollar
Struck on 125 grain (8.1 gram) Magnetic Planchet
PCGS Proof 62
Piece de Caprice
Ex Fred Weinberg Collection
UNIQUE
$25,000
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
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
Jefferson Nickel Die Trial
Reverse Electrotrial
by Anthony De Francisci
Judd #JC1938-1
PCGS MS 62
UNIQUE
$40,000
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
1942-S Wartime Lincoln Cent
Struck on a Bronze Planchet
95% Cu - 4% Zn - 1% Sn
2.5 Grams
NGC MS 62 Brown
UNIQUE DISCOVERY COIN
$35,000
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
1907 $20 Liberty Gold
DOUBLE STRUCK
Second Strike Partial Collar
NGC MS 62
1 of Only 4 Known
$25,000
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
1971-S Proof Eisenhower Dollar
Overstruck on a Bronze
San Francisco Assay Office Medal
(17.1g)
NGC PF 69 RED CAMEO
UNIQUE
$100,000
1845 Great Britain Shilling
Queen Elizabeth Young Head
15% Off-Center
Die Cap
PCGS AU 58
UNIQUE
$7,500
1991 $50 Gold American Eagle
Reverse Filled Dies
(75% Struck Thru Grease)
Signed by Miley Frost, Designer of Reverse
NGC MS 67
$7,500
Germany - Federal Republic 5 Cent Euro
Two-Headed Off-Metal Pattern
Struck with Two Obverse Dies
On a Copper-Nickel Planchet
PCGS SP 63
1 of Only 2 Known
$10,000
Proof 1973-S Kennedy Half Dollar
Die Piece and Die Break Error Mated Pair
NGC PF Cameo
1 of 2 Known
$20,000
Great Britain 1967 Florin Mule
Struck With 2 Reverse Dies
Piece de Caprice
NGC MS 61
1 of Only 2 Known
$7,500
Great Britain 2023 5 Pound
2oz .999 Silver Planchet
Tudor Beasts - Bull of Clarence
Struck on a 2 Pound 1oz Planchet 39.2g
NGC MS 68
Unique Off-Metal Discovery
$20,000
Eisenhower Dollar
Struck 35% Off-Center
On Taiwan $1 Planchet
PCGS MS 64
UNIQUE
$15,000
(2011-2013) U.S. 5¢ Test Strike Pair
Including 1 of Only 2 Known Proof Test Strikes
Judd #2210 - Mint Cancelled
New Martha Washington Die Design
Struck at the U.S. Mint in Philadelphia
77% Cu, 20% Ni, 3% Mg - NGC (Mint State)
60.5% Ni, 32.5% Cu, 6.8% Fe - NGC (Proof)
$7,500
1976-S Proof Bicentennial Silver Eisenhower Dollar
Struck On Outer Clad Layer
NGC
UNIQUE
$15,000
1936 Long Island Tercentenary
U.S. Commemorative Half Dollar
Minor Curved Clip @ 11:00
NGC MS 64
UNIQUE
$1,500
1938-S Lincoln Cent
Struck on Silver 10 Cent Planchet
Ex Milt Cohen Collection
NGC XF 45
UNIQUE
$12,500
2007-D Jefferson Nickel Reverse Die Cap
1 of Only 2 Known Die Caps
On the Newly Designed Jefferson Nickel
PCGS MS 63
$7,500
1973 Canadian Commemorative Quarter
Overstruck by 1978 Canadian Cent Dies
PCGS MS 63
UNIQUE
$10,000
1974 Canada $5 Olympic Commemorative
Off-Metal Mint Error
Struck on Experimental Silver Planchet
Intended for Uniface Essay Trial Strikes
PCGS MS 64
UNIQUE
$25,000
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
1944 Lincoln Cent - Wheat Reverse
Obverse Mirror Brockage
CAC®
Rare Coin Market Review
Cover Coin
CACG AU50BN
One of Only Two Known
$12,500
Indian Head Cent
Counterbrockage & Clashed Cap Brockage
PCGS VF 20
Extremely Rare
$4,000
194X Lincoln Cent
Counterbrockage & Clashed Cap Brockage
NGC MS 63 BN
Extremely Rare
$3,500
1987 Lincoln Cent
Edge Strike & Foldover Strike
PCGS MS 65 Red
Extremely Rare
$2,500
1861-B Germany Taler
Saxony KM# 1213 Mule
The Only Certified Example by NGC or PCGS
NGC MS 63
Rare
$7,500
1999 Lincoln Cent
Overstruck on 1996 Lincoln Cent
Dual Date on the Same Denomination
3 Years Apart!
PCGS MS 63 RB
UNIQUE
$8,500
1943 Lincoln Steel Cent
Split Before Strike (1.42 Grams)
Uniface Obverse
PCGS MS 62
UNIQUE
$5,000
1782A Austria 1 Kreuzer
Multi-Struck Obverse Die Cap
Multiple Brockages on Reverse
NGC MS 64 BN
UNIQUE
$5,000
1901 Luxembourg 10 Centimes
Deep Obverse Die Cap
(The Hammer Die was the Reverse Design)
NGC MS 66
UNIQUE
$7,500
1969 Hungary Gold 50 Pengő
Double Struck with Rotation on Reverse
1000
th
Anniversary of Saint Stephen
Extremely Low Mintage of Only 100 Struck
NGC MS 66 Deep Prooflike
UNIQUE
$8,500
1998 Canadian 10 Cent
Struck on Unplated Multi-Ply Planchet
Intended for 1999 Test Pieces
PCGS MS 64 RD
ex Fred Weinberg
One of Only Two Known
$5,000
'1834' Belgium 40 Franc
Obverse Hub Trial Strike
King Leopold I
White Metal Restrike
Pedigreed to the Brussels Mint in Belgium
PCGS MS 62
UNIQUE
$7,500
1876 Germany 1 Mark
Obverse Indented by a 20 Pfennig Planchet
NGC MS 63
UNIQUE
$5,000
Spain 1857 Gold 100 Reales
7-Pointed Star - Seville Mint
Flipover Double Struck, Partial Collar
PCGS MS 65
UNIQUE
$12,500
2008-P Andrew Jackson Presidential Dollar
Doubled Edge Lettering
PCGS MS 65
UNIQUE
$4,000
1910 Canada Large Cent
Double Struck
Rotated in Collar
NGC XF 45 BN
Extremely Rare
$4,000
1977 Great Britain 25 Pence
Silver Jubilee of Reign Crown
Obverse Indented by 1 Pence Planchet
NGC MS 65
1 of Only 2 Known
$3,500
(2000) Maryland State Quarter
On 51% Clipped Fragment
PCGS MS 67
Rare
$3,500
1960-P Small Date Lincoln Cent
Triple Struck All Off-Center
Only Struck with the Obverse Die (Uniface Reverse)
PCGS MS 63 RB
UNIQUE
$3,500
Byzantine Empire Gold Solidus AD 613-641
Heraclius and Heraclius Constantine
Struck Over Brockage
On Clipped 4.33g Planchet
NGC Ch AU
Very Rare
$3,500
(1848-1864) German Pattern Taler
German States: Bavaria
Maximilian II
Proof Silver Obverse Die Trial
PCGS PR 63 Deep Cameo
Extremely Rare - 1 of Only 3 Certified
$5,000
1924-A Germany 3 Mark
Weimar Republic
Broadstruck
PCGS MS 64
Extremely Rare
$3,000
1911-D Germany 3 Mark
Bavaria - Munich Mint
Commemorative Coin Leopold I
Broadstruck
PCGS MS 65
Extremely Rare
$3,000
(1919-1922) Germany 50 Pfennig
Weimar Republic
Struck 40% Off-Center
KM-27 Aluminum
NGC MS 62
Rare
$1,000
1925-P Vancouver Commemorative Half Dollar
Partial Collar Strike
PCGS MS 63
1 of Only 3 Known
$1,500
1980 Spain Peseta
Struck 30% Off-Center
On an Off-Metal Brass Planchet
(Regular Issue is Aluminum-Bronze)
NGC MS 64
UNIQUE
$1,250
Unique Plaster Model and Galvano
Unadopted Design by Heinz Rodewald
For the 1986 German 5 Mark
Frederick the Great Commemorative
$2,500
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