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Unique Dual Mint Mark Discovery
Proof 1776-1976 S Bicentennial Quarter
Overstruck on Struck Lincoln Cent
Double Denomination
Struck by both San Francisco and Denver Mints
NGC PF 67 RD
SOLD

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1973-S Kennedy Half Dollar
Overstruck on a 1973-S Washington Quarter
Double Denomination
NGC PF 67 Cameo
UNIQUE DISCOVERY COIN
SOLD

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1882 Shield Nickel
Struck On A Cent Planchet
3.0 Grams
Finest Known
NGC MS 65 BN
SOLD

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1981 Lincoln Cent
Struck 70% Off-Center
On A 1979 SBA Dollar
PCGS MS 62
UNIQUE
SOLD

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2000 Lincoln Cent
Struck Onto 2000-P Sacagawea Dollar
PCGS MS 63
Extremely Rare
SOLD

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1977-S Proof Jefferson Nickel
Overstruck on 1977-S Roosevelt Dime
DOUBLE DENOMINATION
NGC PF 68 ULTRA CAMEO
1 of 4 Known
SOLD

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1919 Buffalo Nickel Off-Metal
Struck on Argentina 10 Centavos Planchet
NGC MS 62
Extremely Rare - 3 Known
SOLD

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Clad Eisenhower Dollar
Struck on a QUARTER Planchet
70% Reverse Indent by a QUARTER Planchet
PCGS MS 64
UNIQUE MULTIPLE ERROR
SOLD

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Proof 1992 Canada $15
Struck on $50 Gold Planchet
NGC PF 67 Ultra Cameo
Extremely Rare
SOLD

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Proof 1970-S Kennedy Half Dollar
Struck on Aluminum Shell Gas Token
Double Struck
Missouri State - 1.7g
PCGS PR 62
1 of 3 Known (on Shell Gas Tokens)
SOLD

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1973-S Proof Clad Ike Dollar
Double Struck
Second Strike Broadstruck
NGC PF 69 Cameo
Extremely Rare
SOLD

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1966 Kennedy Half Dollar
Struck on a Struck Washington Quarter
Unique Double Denomination
NGC MS 65
SOLD

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U.S. 1986 $50 Gold Eagle
Double Struck
Partial Collar
NGC MS 69
Extremely Rare
SOLD

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U.S. State Quarter
Obverse Die Cap
Brockage & Double Struck
NGC MS 67
SOLD

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1973-S Proof Clad Ike Dollar
Double Struck On A 50¢ Planchet
NGC PF 66 CAMEO
3 Known
SOLD

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1842 Argentina 8 Escudos
Obverse Die Trial in Silver
(Regular Gold Issue ONLY 5 KNOWN)
Struck at the La Rioja Mint
NGC AU 58
UNIQUE
SOLD

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1973-S Proof Clad Ike Dollar
Double Struck On A 50¢ Planchet
PCGS PR 66
2 Known
SOLD

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1973-S Proof Clad Ike Dollar
Struck On A 50¢ Planchet 11.2 Grams
(Double Struck - Close Overlap)
NGC PF 67 CAMEO
Extremely Rare
SOLD

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1969-S Proof Dime Mated Pair
NGC PF 66 Cameo & PF 63 Cameo
UNIQUE
SOLD

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NGC Certifies (CAC Approved)
1852 Judd #138 Gold $1
On a Cut-Down Gold Plated Seated 10C
UNIQUE
SOLD

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Martha Washington Obverse Die
Used to Strike Half Dollar Experimental
Test Pieces for U.S. Judd #2131
NGC Certified & Encapsulated
UNIQUE IN PRIVATE HANDS
SOLD

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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
SOLD

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1874 $1 U.S. Gold Type 3 Mirror Brockage on Obverse
NGC MS 62
UNIQUE
From The Byers Collection
SOLD

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1796 $2.50
J-23A
White Metal
PCGS MS 63
UNIQUE
SOLD

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1846 J-110A $5 Obverse Die Trial
Struck on $2½ Trial
NGC MS 65 Brown
UNIQUE
SOLD

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Abraham Lincoln - Eagle
Gold Medallic Impression
Struck on 1861 $5
NGC MS 65
SOLD

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Abraham Lincoln
Gold Medallic Impression
Struck on 1861 $5
NGC MS 66
SOLD

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1905 Indian Head Cent Struck on Gold $2.50 Planchet
PCGS MS 64
UNIQUE
SOLD

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1907 $20 St. Gaudens Large Letters
NGC Proof 64 Matte
UNIQUE
SOLD

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1908 $20 St. Gaudens With Motto
NGC Proof 65 Satin
UNIQUE
SOLD

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1898 Barber Quarter
Obverse Die Cap & Brockage
PCGS MS 62
UNIQUE
SOLD

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2007-S Proof Utah State Quarter
Struck on Elliptical Clip
74grs. Clad Planchet
PCGS PR 66 DCAM
DISCOVERY COIN
First Known Proof Elliptical U.S. Coin
Cover of Mint Error News Magazine
SOLD

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1979-D SBA Dollar
Mated Pair Struck Together
PCGS
SOLD

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Experimental State Quarters
The Only Known Complete Set of
All 1999 Dated Experimental State Quarters
Certified by PCGS
SOLD

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2000-P Jefferson Nickel
Struck on 1978 Denver Cent
ANACS MS 63 RB
1 of 2 Known
SOLD

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$5 1843 Dahlonega Unique Specimen
NGC SP 65
SOLD

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1797 $10 Small Eagle
Finest Known & Finest Certified
NGC MS 63
SOLD

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1796 $2.50 No Stars
3rd Finest Known NGC MS 63
SOLD

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1796 $2.50 With Stars
3rd Finest Known PCGS MS 63
SOLD

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1808 $2.50
NGC MS 63
SOLD

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1795 13 Leaves $10
NGC MS 64
SOLD

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1942 Lincoln Cent J-2079 Struck in Aluminum
PCGS PR 66
UNIQUE
SOLD

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1904 $20 Liberty Gold Struck 15% Off-Center
PCGS MS 63
UNIQUE
SOLD

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$1 U.S. Gold Type 2 Full Brockage Reverse
PCGS AU 55
UNIQUE
SOLD

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Walking Liberty Half Dollar Struck on a Steel 1¢ Planchet
PCGS MS 64
UNIQUE
SOLD

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1965 1D
Struck on Gold Planchet
PCGS MS 62
SOLD

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1920 Standing Liberty Quarter
Struck on Peru 20C Planchet
NGC MS 60 FH
UNIQUE
SOLD

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1804 $2½ Capped Bust To Right
Double Struck
First Strike Off-Center
NGC Fine 15
SOLD

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Peace Dollar Double Struck
2nd Strike 80% Off-Center
NGC MS 62
SOLD

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1877 $50 Gilt J-1549
NGC PF 64+ Cameo CAC
SOLD

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1851 3¢ Obverse & Reverse Die Trials on Cardboard
SOLD

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Unique Jefferson Nickel Die Trial
Judd #JC1938-1
PCGS MS 62
SOLD

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1838 $5 Die Trial Splasher
J-A1838-6
PCGS MS 65
UNIQUE
SOLD

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1872 $20 Liberty Head Obverse Die
SOLD

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Unique SPECIMEN Silver Certificate Set
SOLD

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2000-P Jefferson Nickel
Struck With Two Obverse Dies
"Two-Headed"
PCGS MS 65
UNIQUE
SOLD

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1976-S Jefferson Nickel Obverse Impression
Struck Into Center of $1 Planchet
(Proof Nickel/Dime Mule)
NGC
UNIQUE
SOLD

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Walking Liberty Half Dollar
Struck 50% Off-Center
Finest Known & Most Off-Center
PCGS MS 63
SOLD

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Martha Washington Dollar Test Piece
Judd 2185
NGC MS 62
SOLD

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1875-S Seated Liberty Half Dollar
Struck 20% Off-Center
Finest Known & Second Most Off-Center
PCGS MS 62
SOLD

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1796 $10
NGC MS 62
SOLD

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1806 $5
NGC MS 65
SOLD

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1812 $5
NGC MS 65
SOLD

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1813 $5
NGC MS 65 CAC
SOLD

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1799 $10
NGC MS 64
SOLD

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"S" Walking Liberty Half Dollar
Double Struck 50% Off-Center on 25¢ Planchet
MS 65 PCGS
UNIQUE
SOLD

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1945 Walking Liberty Half Dollar
Struck on 10¢ Planchet
MS 64
UNIQUE
SOLD

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1921-S Morgan Dollar
Struck 45% Off-Center
NGC MS 63
SOLD

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DISCOVERY COIN:
1806 $5 Capped Bust to Right
Heraldic Eagle, Pointed 6, 8X5 Stars
Triple Struck Rotated 90°
PCGS AU 50
SOLD

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1829/1823 Great Britain Half Sovereign
Proof Gold Mule
1 of 2 Known
PCGS PR 63 Cameo
SOLD

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1865 2¢ Deep Obverse Die Cap
Brockage Reverse
PCGS MS 64 RB
SOLD

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SBA Dollar & Sacagawea Dollar Transitional Mated Pair
PCGS
SOLD

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United States $20 1882 Obverse Die
SOLD

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1944 50¢
Struck On Silver 25¢ Planchet
PCGS MS 65
SOLD

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Unique 1884-CC Morgan Dollar Mated Pair
Split After Strike
PCGS MS 64
SOLD

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1850 $5 Dubosq & Co. Die Trial
ANACS MS 64
SOLD

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1852 D $5
Broadstruck
NGC AU 58
UNIQUE
SOLD

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1901/0-S $5 Liberty Gold
Struck 10% Off-Center
PCGS AU 55
SOLD

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1904 $20 Liberty Gold
Double Struck in Collar
PCGS MS 63
SOLD

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Pair of 1806 Draped Bust Quarters
Obverse & Reverse Brockages
PCGS VF 30
UNIQUE
SOLD

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1859 Indian Head Cent
Obverse Struck on an 1857 Seated Half Dime
PCGS MS 63
SOLD

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1873 Seated Half Dollar With Arrows
Brockage Reverse / Huge Broadstrike
PCGS XF 45
SOLD

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1795 Flowing Hair Dollar
Two Leaves Variety
Struck on Flawed Planchet
ICG MS 60
SOLD

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Unique NGC Set of Four Paraguay Gold Overstrikes
SOLD

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1865 $1 Indian Gold Proof
Triple Struck Reverse
PCGS PR 64 Cameo
SOLD

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1887 $3 Indian Gold Proof
Triple Struck Rotated
PCGS PR 63 Cameo
SOLD

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1887 $3 Indian Gold Proof
Triple Struck
NGC PR 63 Cameo
SOLD

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1904 $20 Liberty Gold
Double Struck
ANACS MS 60 Proof-Like
SOLD

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Pair of Barber Dime Die Caps
Obverse and Reverse
PCGS AU 55
UNIQUE
SOLD

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1924 Standing Liberty Quarter
Double Struck
ANACS AU 55
SOLD

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"Two Headed & Two Tailed" Euro 6 Piece Set
Certified by ANACS
SOLD

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Indian Cent
Struck on Half Dime Planchet
Uniface Obverse
PCGS MS 63
UNIQUE
SOLD

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Barber Half
Full Obverse Brockage
PCGS AU 58
SOLD

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Indian Head Cent
Deep Obverse Die Cap
PCGS MS 64
SOLD

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1978 Canadian Two Tailed Cent Die Cap
PCGS MS 64 RB
SOLD

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1876 Indian Cent
Struck on a 3¢ Nickel Planchet
NGC MS 64
SOLD

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1797 Draped Bust Large Cent
Double Struck
NGC MS 65 BN
SOLD

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1920 Buffalo Nickel
Struck on Copper Planchet
NGC AU 55
SOLD

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Draped Bust Dollar
Struck 15% Off-Center
PCGS VF 35
SOLD

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1871 3¢ Nickel
Struck on 1¢ Stock
NGC MS 62 BN
SOLD

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1818/5 Cap Bust Quarter
Struck 5% Off-Center
NGC MS 65
SOLD

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Pair of Indian Head Cent Die Caps
Obverse & Reverse
PCGS MS 64
SOLD

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1988 $5 Federal Reserve Note
Unique Double Denomination Error
SOLD

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1915 Lincoln Cent
Struck on Full-Size Nickel Planchet
(75/25 Cu-Ni)
PCGS XF 45
One of Two Known
SOLD

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1900 Indian Head Cent Struck on Gold $2.50 Planchet
PCGS MS 65
SOLD

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1866 $2½ Struck on a 3 Cent Nickel Planchet
NGC MS 66
UNIQUE
SOLD

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1875 20C Reverse Die Trial
Struck in White Metal
Judd Plate Coin
J-A1875-1, Pollock-3398
PCGS MS 63
2 Known
SOLD

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1985 Canada $100
National Parks Commemorative Gold Coin
Flip-Over & Double Struck
Second Strike 40% Off-Center
PCGS Proof 67 Deep Cameo
UNIQUE
SOLD

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1895-O Barber Dime
Obverse Die Cap
PCGS MS 64
SOLD

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1893 Barber Dime
Obverse Die Cap & Brockage Reverse
PCGS AU 55
UNIQUE
SOLD

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1901 S/O $5
Uncentered Broadstruck
NGC MS 65 DPL
SOLD

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1869 Indian Cent
Struck on Silver Dime Planchet
PCGS AU 55
SOLD

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1855 Large Cent
Obverse Die Cap
NGC AU 58 BN
SOLD

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1983-P Washington Quarter
Struck Over Arcade Token
"THIS IS MY LUCKY DAY"
NGC MS 65
SOLD

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(2007) George Washington Presidential Dollar
Double Denom on Struck Nickel
PCGS MS 64
UNIQUE
SOLD

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1982 Canada 10C
Muled with Cent Reverse Die
PCGS MS 62
UNIQUE
SOLD

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1922 Peace Dollar
Flipover Double Struck in Collar
PCGS AU 58
UNIQUE
SOLD

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1990-D Lincoln Cent
Struck on a 3.1 gram Copper Planchet
Pre-1983 Cent Planchet
PCGS MS 64 Brown
UNIQUE TRANSITIONAL
SOLD

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1999-P Georgia State Quarter
Broadstruck on Experimental Planchet
PCGS MS 67
UNIQUE
SOLD

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1964 Lincoln Cent
Struck on a Canceled India 1942 1/4 Rupee
NGC MS 61
UNIQUE
SOLD

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Proof S-Mint State Quarter
Obverse Die Cap
NGC PF 68 Ultra Cameo
UNIQUE
SOLD

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1974 Jefferson Nickel
Struck Over A 1973 Jefferson Nickel
In Original 1974 Uncirculated Mint Set
NGC
SOLD

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1995 Lincoln Cent
Over Struck On A 1991-P Roosevelt Dime
Double Denomination (4 Years Apart)
NGC MS 66
1 of 2 Known
SOLD

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1973-S U.S. Quarters
Mated Pair Struck Together
Gem Proof
PCGS
UNIQUE
SOLD

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1965 Washington Quarter
Struck On A Nickel Planchet
In Original SMS Mint Set
NGC MS 66
SOLD

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1998-P Washington Quarter
Pre-State Quarter (Eagle Reverse)
Multi-Struck on End of Feeder Finger
NGC MS 65
UNIQUE
SOLD

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Franklin Half Dollar
Struck on a 1948 Lincoln Cent
NGC MS 64 BN
UNIQUE
SOLD

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1920 Buffalo Nickel
Struck 40% Off-Center on a Cent Planchet
PCGS MS 64 Brown
UNIQUE
SOLD

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Proof Franklin Half Dollar Struck 65% Off-Center on Proof Silver 25¢ Planchet
PCGS PR 65
UNIQUE
SOLD

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1978-D Eisenhower Dollar
Overstruck on a 1977-D Dime
Double Denomination & Dual Date
NGC MS 66
UNIQUE
SOLD

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1964 U.S. Nickels
Mated Die Cap Pair
Gem Proof
NGC
UNIQUE
SOLD

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1976-S Silver Ike Dollar Bicentennial
Flip-Over Triple Struck
And Large Broadstruck
PCGS AU 58
UNIQUE
SOLD

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Eisenhower Dollar Struck On A 10¢ Planchet
That Was Indented Into Reverse of Coin
NGC MS 65
SOLD

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1963-D Franklin Half Dollar
Struck 25% Off-Center on a Quarter Planchet
60% Reverse Brockage
NGC MS 65
UNIQUE
SOLD

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2000 Sacagawea Dollar
Obverse Capped Die
NGC MS 66
UNIQUE
SOLD

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2000-P Jefferson Nickel
Struck On A 1961 Lincoln Cent
Double Denomination
NGC MS 63 BN
UNIQUE
SOLD

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1910 Lincoln Cent
Uniface Test Strike
PCGS AU 58
SOLD

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Ike Dollar
Double Struck on a Dime Planchet
PCGS MS 64
SOLD

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Proof Ike Dollar
Struck on a 2 Gram Aluminum Planchet
PCGS Proof 64 Cameo
SOLD

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1855 $3 Indian Gold
Broadstruck
PCGS AU 50
SOLD

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1893-O $10 Liberty Gold
Broadstruck out of the Collar
PCGS AU 58
SOLD

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Unique Mint Error Discovery
Mated Pair of Franklin Half Dollars
PCGS
SOLD

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Unique Dual Date/Dual State
SOLD

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1858 Flying Eagle Cent
Struck 30% Off-Center
PCGS MS 63
SOLD

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Chile 10 Pesos Double Struck on Feeder Finger
SOLD

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Ike Dollar
Struck on a 3.7g Clad Planchet
PCGS MS 63
UNIQUE
SOLD

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1866 5¢ J-517
Double Struck Mule Pattern
NGC MS 63 Brown
SOLD

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1877 $50
Reverse Hub Trial in Lead
Judd #A1877-11 Plate Coin
Unique
Authenticated by NGC
Environmental Damage
SOLD

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1942 Walking Liberty Half Dollar
Struck On A Silver Quarter Planchet
PCGS MS 65
SOLD

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1945-S Walking Liberty Half
Struck On An El Salvador 25 Centavo Planchet
NGC MS 63
SOLD

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2¢ Piece
Reverse Die Cap / Brockage Obverse
PCGS MS 64 BN
SOLD

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Cap Bust Dime
Obverse Mirror Brockage of Reverse
NGC MS 64
SOLD

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1906-D $20 Liberty Gold
Broadstruck
NGC AU 58
SOLD

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1860 $5 Reverse Hub Trial
Struck in Copper
Plate Coin Judd & Pollock
Judd # A1860-6
NGC MS 64 Brown
UNIQUE
SOLD

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1855-C $5 Liberty Gold
Reverse Die Break (Cud)
NGC MS 61
SOLD

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Morgan Dollar
Struck 20% O/C & Brockage Reverse
PCGS VG 10
UNIQUE
SOLD

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Unique Pair of Paquet Splashers
Andrew Johnson Indian Peace Medals
SOLD

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1822 Cap Bust Half Dollar
Struck in Copper
Judd Plate Coin J-A1822-1
NGC MS 64 Brown
SOLD

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Unique U.S. Territorial Gold Error
SOLD

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1871 Standard Silver Dollar Pattern J-1133
Double Struck
PCGS PROOF 63
SOLD

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Unique Pair of 1825 English
Gold Sovereign Die Trials
Obverse & Reverse
Uniface Pattern Strikes
PCGS
SOLD

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1805 Draped Bust Quarter
Double Struck
PCGS AU 50
SOLD

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1795 Flowing Hair Dollar
Struck 5% Off-Center
NGC VF 20
SOLD

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1875-S Seated Liberty Half Dollar
Struck 15% Off-Center
PCGS AU 58
SOLD

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1867 5¢ Obverse Hub Trial
Struck in Copper
Judd Plate Coin J-A1867-9
NGC MS 63 Brown
UNIQUE
SOLD

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1867 5¢ Obverse & Reverse Hub Trial
Struck in Copper
Plate Coin Judd & Pollock
Judd # J-A 1867-15
NGC MS 64 Brown
UNIQUE
SOLD

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SBA Dollar Struck on Experimental Planchet
PCGS MS 67
SOLD

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Double Struck French 5 Francs on Spoon!!
SOLD

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1800 Draped Bust Dollar
Double Struck 2nd Strike 15% Off-Center
PCGS XF 45
SOLD

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Liberty Nickel Counterbrockage
ANACS MS 64
SOLD

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1900-O Barber Half Dollar
Struck 10% Off-Center
PCGS AU 50
UNIQUE
SOLD

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Canadian 1978 Cent
Multi Struck Over 1974 $10 Olympic Commemorative
SOLD

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(C1865) Lincoln Medals
K-247 Broken Column
Pair of Lead Obv & Rev Die Trials (Uniface)
Reverse Die Trial is Double Struck
NGC AU 55 & MS 61
UNIQUE
SOLD

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Chile 5 Pesos
Uncancelled Obverse Die
UNIQUE IN PRIVATE HANDS
Gem Matte Condition
NGC Certified & Encapsulated
SOLD

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Unique Set of Ike Dollar Experimental Planchets
Silver & Clad Ike $1 Planchets
Experimental Rinses with Mint Notations
Discovery Pieces
Certified by NGC
From The San Francisco Hoard
UNIQUE (The Only Coins In Existence)
SOLD

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Ike Dollar
Struck 40% Off-Center
On a Philippine 1 Piso Planchet
PCGS MS 64
UNIQUE (The Only Coin In Existence)
SOLD

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