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INVENTORY
View sold Mint Errors in our Archives
New Listings
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
1977 Lincoln Cent
Struck on an Aluminum Planchet
At The U.S. Mint in Philadelphia
1.04 Grams
NGC MS 60
UNIQUE
$350,000
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
AMAZING UNIQUE DISCOVERY
$100,000
U.S. 1970-S Proof Washington Quarter
Overstruck on a Canadian Quarter
King George V (1911-1936)
NGC PF 64
UNIQUE DISCOVERY COIN
$25,000
1974-S Aluminum Lincoln Cent
Struck by the Obverse Die Only
On Philippine 1 Sentimo Planchet
PCGS MS 61
UNIQUE
$40,000
U.S. Mint Errors, Die Trials & Patterns
1904 $20
DOUBLE STRUCK
Rotated 180 Degrees in Collar
NGC MS 62 CAC
BYERS COLLECTION
UNIQUE
$150,000
U.S. 1970-S Proof Washington Quarter
Struck on a 1941 Canadian Quarter
TWO COUNTRIES & TWO DATES
NGC PF 65
UNIQUE
FEATURED ON FOX NEWS!
$35,000
1970-S Proof Washington Quarter
Struck on a Silver Barber Quarter
NGC PF 65
1 of 2 Known
$75,000
1870 Standard Silver 10¢ Judd #837
Broadstruck on a Copper Nickel (CN) Planchet
(Instead of a Silver Planchet)
76% Cu, 24% Ni, .99 Grams
Proof Pattern Off-Metal Mint Error
Ex Simpson Collection
PCGS PR 65
UNIQUE
$20,000
Mexico 1916 Oaxaca Gold 60 Pesos
Struck on a U.S. $10 Liberty (1838-1907)
World-Class Numismatic Rarity
NGC AU 53
UNIQUE
$150,000
1945-S Walking Liberty Half Dollar
Double Struck
Second Strike 55% Off Center
PCGS MS 63
Finest Known
$65,000
1869 Standard Silver Half Dollar
J-742b
Without Initial "B" On Ribbon
PCGS PR 64+ CAC
UNIQUE, UNLISTED & UNRECORDED
$35,000
1922-S Peace Dollar
Struck 15% Off Center
PCGS MS 65
Finest Known
$75,000
Unique 1943 Lincoln Cent 5-Piece Set
Including An Experimental Antimony Test Piece
And An Experimental 1943 Copper Blank and Zinc Test Blanks
NGC
$100,000
U.S. Mercury Dime Dies
From The Philadelphia Mint
1935 Obverse and Reverse Pair
NGC Certified & Encapsulated
BOTH ARE UNIQUE IN PRIVATE HANDS
$25,000
(1864-66) Julian-PR-30, AV 19mm
Washington - Lincoln
NGC MS 66 DPL
$15,000
Undated Julian-PR-41, AV 19mm
Lincoln - Garfield
NGC MS 64 DPL
$15,000
Undated Julian-PR-40, AV 25mm
Lincoln - Garfield
NGC PF 63 Ultra Cameo
$15,000
(2011-2013) U.S. Quarter Test Strike
Judd #2225 - Mint Cancelled
New Martha Washington Die Design
Struck at the U.S. Mint in Philadelphia
NGC Brilliant Uncirculated
UNIQUE (The Only Coin in Private Hands)
$25,000
U.S. 25¢ Stainless Steel Feeder Finger
From The Denver Mint Grabener Press
Authenticated and Encapsulated by NGC
UNIQUE (Not Struck by Coin Dies)
$7,500
1876 Liberty Seated Dime
Struck 20% Off-Center
With Obverse Partial Brockage
NGC MS 63
$12,500
1870 Pattern 25¢ J-896
Incomplete Punched Planchet
PCGS PR 64 RB
UNIQUE
$7,500
World Mint Errors, Die Trials & Patterns
Unique 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
Plate Coins in Forschner
Forschner #34.1 Gold & #34.3 Gold
PCGS MS65 and MS64
$150,000
(1887) Great Britain Queen Victoria
Lauer Victoria Pattern in Gold
Obverse Die Trial - Uniface
World-Class Numismatic Rarity
10.16gr Gold, 27.2mm
Ex. Murdoch Collection (1904)
NGC Medal PF 63 Cameo
UNIQUE
$75,000
1880 Great Britain Proof Half Sovereign Pattern
Struck in Silver (Instead of Gold)
MULED with a Sixpence Obverse
KM-PnA118
WR-354 Var Silver
PCGS PR 64
UNIQUE
$75,000
1861 German States Bavaria Medal
Prince Adalbert (Brother of King Maximilian II)
Gold Off Metal Strike
"First Test" (Trial Strike)
Hand Engraving from the Bavarian Mint
Presented to the House of Wittelsbach
UNLISTED IN GOLD AND UNIQUE
World-Class Numismatic Rarity
54.43 grams 42.59 mm
Hauser-536 (in Tin & Bronze)
PCGS SPECIMEN 62
$100,000
(Circa 1806) German States Bavaria
King Maximilian I Joseph (1806-1825)
Historic Gold Service Medal by Losch
6 Ducats 20.96 grams 36mm
Unlisted in Gold
Wittelsbach #2478 (In Silver)
PCGS Specimen 65
(High Relief Cameo Proof-Like)
FINEST KNOWN & EXTREMELY RARE
$60,000
Spain 1856 100 Reales
Queen Isabella II
Obverse & Reverse Die Trials
Queen Approved New Design by Royal Decree
Struck in Gilt Copper - Uniface
NGC PR 65 & PR 64
UNIQUE & UNLISTED NEW DISCOVERY
$25,000
1985 Canada National Parks Proof $100
Unofficial Platinum Strike Uniface
(Platinum Mint Error or Pattern/Die Trial)
90% Pt, 10% Rh, 16.73 Grams
PCGS PR 67 Deep Cameo
UNIQUE
$75,000
1985 Proof $100 Canada
National Parks Commemorative Gold Coin
Mated Pair of Die Caps
PCGS PR 69 DCAM & PR 67 DCAM
UNIQUE (The Only Die Caps In Existence)
$100,000
1845 Great Britain Crown
Young Head Silver Die Trial
Piedfort Pattern
Uniface Obverse
NGC MS 65
UNIQUE, UNLISTED & UNRECORDED
$50,000
1824 Great Britain Half Sovereign
GOLD Obverse Die Cap
Ex: Eliasberg
NGC MS 64
UNIQUE
$40,000
(1904) Belgium Franc
GOLD Obverse Die Trial
1904 Design Overstruck on 1903 Design
Struck on Oversized Piedfort Planchet
(Regular Issue Was Struck in Silver)
NGC MS 61
UNIQUE
$40,000
1911 Great Britain 5 Pound
Uniface Obverse Die Trial
Struck In Lead From PROOF DIE
Width 44.32mm, Thickness 5.69mm
Authenticated by The Royal Mint
Pedigreed To The C.M. Kraay Collection
NGC MS 60
UNIQUE
$25,000
Germany Third Reich Matte Proof Set in Silver
1937A 2 Mark Hindenburg/Swastika
Matte Proof
62 PCGS UNIQUE
1936A 5 Mark Hindenburg/Swastika
Matte Proof
63 PCGS UNIQUE
1935A 5 Mark Hindenburg/Eagle
Matte Proof
62 PCGS 3 Known
Unique Set (The Only One In Existence)
$50,000
1970 Canada 50-Cent
Struck on 12.1 Gram Gold Planchet
PCGS MS 64
1 of 2 Known
$30,000
1969 Canada 25-Cent
Struck on 1963 Great Britain Gold Sovereign
Double Denomination
PCGS MS 64
1 of 2 Known
$40,000
Germany Weimar Republic
5 Mark 1932/1 Overdate
Oak Tree
PCGS AU 55
One of Two Known
$10,000
(1911) Great Britain 1/2 Sovereign
Uniface Obverse Die Trial
Struck In Lead
Width 25.63mm, Thickness 3.95mm
Authenticated by The Royal Mint
Pedigreed To The C.M. Kraay Collection
NGC MS 63
UNIQUE
$7,500
5 Denomination Canada Reverse Die Trials
For The Gold Maple Leaf Series
Struck in Brass and Gold Plated
Issued by the Royal Canadian Mint
10 Known Sets in Lucite
$5,000
American Bank Note Company
Experimental Stamp Printing Plate
Steel 2.5" x 3.5" Plate No. 25894
1 of 2 Known
$10,000
American Bank Note Company
1948 El Salvador Stamp Printing Plate
Complete Set of All Four Denominations
Steel 3.25" x 7.25" Plate No. 7974
UNIQUE
$7,500
Official Royal Mint Plaster
For the Great Britain 1983 One Pound
Official Adopted Design by Eric Sewell
(Former Chief Engraver of the Royal Mint)
Approved by Queen Elizabeth II
Possibly Unique
$15,000
South Africa Currency 1 Pound Test Proof
Certified by PCGS Currency
UNIQUE
$5,000
Canadian 1954 $20 Face and Back
Specimen Test Print
Certified by PCGS Currency
UNIQUE
$5,000
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