Category Archives: Mint Error News

Mike Byers Mint Error News – Unique 1970-S Proof Washington Quarter Overstruck on Canadian Quarter

King George V (1911-1936) This unique 1970-S Proof Quarter from the United States was overstruck on a Canadian Quarter that circulated during the reign of King George V from 1911-1936. It was authenticated and certified by NGC as PR64. This was most likely from the group of San Francisco Proof Errors that was auctioned by […]

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Mike Byers Mint Error News – Unique 1970-S Proof Washington Quarter Overstruck on Canadian Quarter

King George V (1911-1936) Mint Error This unique 1970-S Proof Quarter mint error from the United States was overstruck on a Canadian Quarter that circulated during the reign of King George V from 1911-1936. It was authenticated and certified by NGC as PR64. This was most likely from the group of San Francisco Proof Mint […]

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Mike Byers Mint Error News – Unique Proof Gilt Reverse Pattern 1831 Half Sovereign

Gilt Uniface Reverse Die Trial NGC Proof 65 Ultra Cameo UNIQUE & UNRECORDED   By Mike Byers for Mint Error News …… This is a unique and unrecorded Proof gilt reverse pattern for the 1831 Great Britain William IV Half Sovereign. The regular issue was struck in Proof-only and is rare. This reverse pattern is […]

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Mike Byers Mint Error News – Proof Bicentennial Quarter 2x Struck on Roosevelt Dime

Proof 1776-1976 S Bicentennial Quarter Double Struck on Struck Roosevelt Dime DOUBLE DENOMINATION PCGS PR 67 CAMEO Unique Discovery Coin   By Mike Byers for Mint Error News …… This is the only known Proof Bicentennial Quarter double struck over a struck dime. It is also the only known double struck U.S. Proof coin overstruck […]

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Mike Byers Mint Error News – Unique 1977 Lincoln Cent on Aluminum Planchet

This Unique 1977 Aluminum Cent is either an intentionally made Mint Error on a leftover aluminum planchet from 1974-1975 or a pattern struck in aluminum   By Mike Byers for Mint Error News ……   This unique 1977 Aluminum Cent, struck on an aluminum planchet with a weight of 1.04 grams, was discovered and certified […]

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Mike Byers Mint Error News – Unique German 5 Mark Die Trial in Silver

1932G Germany 5 Mark Reverse Trial Strike in Silver Johann Goethe NGC PF 62 UNIQUE & UNLISTED   By Mike Byers for Mint Error News …… This is a unique and unlisted Germany 5 Mark reverse trial strike. It is the adopted design in silver. It is uniface since only the reverse die was used […]

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Mike Byers Mint Error News – Rare Buffalo Nickel on 10 Centavos Planchet

1919 Buffalo Nickel Off-Metal Struck on Argentina 10 Centavos Planchet NGC MS 62 Extremely Rare – 3 Known   By Mike Byers for Mint Error News …… The United States Mint struck coins for Argentina in 1919 and 1920. This amazing fully lustrous Buffalo Nickel struck on an Argentina 10 Centavos planchet was just authenticated […]

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Mike Byers Mint Error News – Unique 1863 California Fractional Gold 25¢ Overstruck on 1860/50

1863 Round Liberty Gold 25¢ California Fractional Gold BG-820 Overstruck on 1860/50 BG-819 NGC MS 61 UNIQUE DISCOVERY COIN   By Mike Byers for Mint Error News …… This is a unique 1863 California Fractional Gold 25¢ overstruck on a previously struck 1860/50 Gold 25¢. In fact, it is the only known overstruck California Fractional […]

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Mike Byers Mint Error News – Unique Multiple Error Clad Ike Dollar Struck on Quarter Planchet

Also Features a 70% Reverse Indent by a QUARTER Planchet   By Mike Byers for Mint Error News …… All Ike dollar off-metals are highly prized by serious collectors of major U.S. Mint Errors and collectors of Ike dollars. The only two that are occasionally available are the Ike dollar struck on a Philippine 1 […]

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Mike Byers Mint Error News – Unique Obverse & Reverse Die Trials for Spain’s 1856 100 Reales

Struck in Gilt Copper – Uniface – UNIQUE & UNLISTED NEW DISCOVERY   This is a unique and spectacular set of obverse and reverse die trials for Spain’s 1856 Proof gold 100 Reales. They combine rarity (unique), history (struck to test the dies for the newly designed 100 Reales), and mystique (Queen Isabella II approved […]

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Mike Byers Mint Error News – Unique 1974-S Aluminum Lincoln Cent Obverse Struck on Philippine 1 Sentimo Planchet

The Only 1974 Aluminum Cent That Can Be Privately Owned   The 1974 aluminum cent is world famous. Proposed in 1973 and struck in 1974, it was never released into circulation. The United States Mint distributed several to members of Congress, but they were recalled by Mint Director Mary Brooks and destroyed. One example struck […]

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Mike Byers Mint Error News – Unique Great Britain Guinea/Sovereign Pattern in Copper

Recently Surfaced After 200 Years   By Mike Byers for Mint Error News …… W&R-182 Copper NGC MS62BN Although this unique pattern Guinea/Sovereign is listed in the Wilson and Rasmussen reference book as W&R-182 Copper, it is not photographed in this reference book because the researchers and authors could not verify the existence of this […]

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Mike Byers Mint Error News – Historic German States Gold Service Medal

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)   By Mike Byers for Mint Error News …… PCGS Specimen 65 High-Relief Cameo Proof-Like FINEST KNOWN & EXTREMELY RARE This is an amazing world-class numismatic treasure, […]

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Mike Byers Mint Error News – Unique Gold Off Metal Trial Strike 1861 German States Bavaria Medal

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 54.43 grams 42.59 mm Hauser-536 (in Tin & Bronze) PCGS SPECIMEN 62 By Mike Byers for Mint Error […]

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Mike Byers Mint Error News – Unique Proof 1776-1976 S Bicentennial Quarter Overstruck on 1967 Roosevelt Dime

Double Denomination & Dual Date   By Mike Byers for Mint Error News …… This is the only known Proof Bicentennial quarter struck over a Roosevelt dime. In addition, it is a “dual date” since the dime is dated 1967, an amazing nine years apart! 1976 Proof Bicentennial quarters were struck at the San Francisco […]

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Mike Byers Mint Error News – Proof 1970-S Kennedy Half Dollar Struck on Aluminum Shell Gas Token

Double Struck, One of Three Known (on Shell Gas Tokens)   By Mike Byers for Mint Error News …… This is an amazing and spectacular Proof major mint error. It is a 1970 Kennedy half dollar from the San Francisco Mint that is double struck on an aluminum Shell Gas token. In 1969 and 1970, […]

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Mike Byers Mint Error News – Unique Dual Mint Mark Proof 1776-1976 S Bicentennial Quarter Overstruck on Denver Lincoln Cent

Unique Dual Mint Mark Discovery   By Mike Byers for Mint Error News …… Upon closer examination of the understrike on the reverse of the quarter, Jon Sullivan of Sullivan Numismatics discovered and successfully matched up the “D” mint mark. The copper Lincoln cent was originally STRUCK IN DENVER prior to being overstruck by Proof […]

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Mike Byers Mint Error News – Unique & Unlisted 1869 Standard Silver Half Dollar

By Mike Byers for Mint Error News …… Patterns in the Standard Silver series, inscribed on each coin STANDARD SILVER, were produced in the dime, quarter dollar and half dollar denominations. The dies were engraved by William Barber with one common reverse die. They were struck in silver, copper, aluminum and brass. This discovery coin […]

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Mike Byers Mint Error News – Unique 1842 Argentina 8 Escudos Coin Die Trial in Silver

By Mike Byers for Mint Error News …… This is an incredible and unique 1842 Argentina 8 Escudos struck in silver. It is an obverse die trial with a uniface reverse. NGC authenticated and certified it AU-58. It is unlisted in Krause’s Standard Catalog of World Coins and is referenced to CJ-10.2. It is the […]

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Mike Byers Mint Error News – 1973-S Proof Clad Ike Dollar Double Struck on 50¢ Planchet

By Mike Byers for Mint Error News …… This is one of the most spectacular Proof Ike dollar mint errors of all time. Not only is it a spectacular double struck, but it is also struck on a clad half dollar planchet. There are two Proof Ike dollars known that were double struck on clad […]

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Mike Byers Mint Error News – Unique 1870 Standard Silver Dime on Copper Nickel Planchet

By Mike Byers for Mint Error News …… This is a unique and spectacular mint error, a proof pattern off-metal. It was struck on a copper nickel planchet instead of a silver planchet. It is composed of 76% Cu and 24% Ni, which is copper-nickel. It weighs .99 grams. PCGS has certified the coin as […]

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Mike Byers Mint Error News – Unique 1985 Canada National Parks Proof $100 Platinum Uniface Coin

By Mike Byers for Mint Error News …… This is the only known Canadian $100 platinum striking of any design or series. This is one of the most spectacular coins ever released by the Royal Canadian Mint. It is certified by PCGS as an “Unofficial Platinum Strike Uniface.” Lab analysis determined that the metal composition […]

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Mike Byers Mint Error News – Unique 1824 Great Britain Half Sovereign Gold Die Cap

By Mike Byers for Mint Error News …… This is the only known obverse die cap struck in gold from any country. It was certified and authenticated by NGC. It is an English half sovereign dated 1824 of King George IV. This happens to be an extremely rare date in the English half sovereign series […]

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Mike Byers Mint Error News – Unique Rotated Double Struck 1904 $20 Gold Coin

By Mike Byers for Mint Error News …… Major mint errors on U.S. gold coins are extremely rare. And of these, there are only a few known that are double or triple struck. One phenomenal example is this double stuck 1904 $20 rotated 180 degrees in the collar. Considerable detail remains from the initial strike […]

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Mike Byers Mint Error News – Unique Proof Half Sovereign Pattern Mule with Sixpence Obverse

By Mike Byers for Mint Error News …… This proof Half Sovereign off-metal mule pattern encompasses a combination of history, rarity, and condition. This piece is the ONLY known certified example and the ONLY known piece as well. The obverse was struck from the regular obverse die intended for the Sixpence issue. The reverse was […]

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Mike Byers Mint Error News – Unique Great Britain Silver Crown Die Trial Piedfort Pattern

1845 Great Britain Crown Young Head Silver Die Trial Piedfort Pattern Uniface Obverse NGC MS 65 – UNIQUE, UNLISTED & UNRECORDED By Mike Byers for Mint Error News …… NGC recently authenticated and certified this unique Great Britain Silver Crown Die Trial Piedfort Pattern. It was struck in 1845 with the “Young Head” portrait that […]

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Mike Byers Mint Error News – PCGS Certifies Unique German Gold Obverse Trial Strikes

By Mike Byers for Mint Error News …… This unique, historical and museum-quality set of gold Coronation Die Trial Strikes was just authenticated and certified by PCGS. It is amazing that, after 500 years, these gold die trials have remained together, intact and preserved in gem Mint State condition. They are five or 10 Ducat […]

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Mike Byers Mint Error News – NGC Certifies Unique Great Britain Lead Die Trial

By Mike Byers for Mint Error News …… This is the only known 1911 Great Britain 5 Pound Die Trial. It was struck on March 14, 1911, on an oversized lead planchet with a width of 44.32 mm and is 5.69 mm thick. It is a uniface die trial of the finished obverse die used […]

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Mike Byers Mint Error News – NGC Certifies Unique 25¢ Feeder Finger From Denver Mint

By Mike Byers for Mint Error News …… This is the only known full-size feeder finger for any U.S. denomination that has not been struck by coin dies. There are U.S. feeder fingers known that were struck by a private mint producing tokens and metals, that used the feeder fingers as the blank planchets. In […]

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Mint Error News – Unique Double Struck Peace Dollar

United States 1922 Peace Dollar Flip-Over Double Strike in Collar, PCGS AU58 By Mike Byers for Mint Error News …… Major mint errors in the U.S. Peace Dollar series are very rare. There are only a few known off-centers, broad strikes and double strikes. Thus, mint errors are many times rarer than Morgan Dollar mint […]

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Mint Error News: Unique Certified Gold Belgium Franc Obverse Die Trial

1904 Design Overstruck on 1903 Design By Mike Byers for Mint Error News …… This is a unique, spectacular and dramatic Belgium Franc struck in GOLD. Below are examples of the 1903 obverse (French text) and the 1904 obverse (Dutch text), both struck in silver: It is an obverse die trial to test the die […]

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Mint Error News: PCGS Certifies Unique Two-Headed Nickel

United States 2000-P Jefferson Nickel Struck with Two Obverse Dies, PCGS MS65 By Mike Byers for Mint Error News …… This is the only known U.S. regular-issue coin of ANY denomination that was struck with two obverse dies (two-headed). It stands alone as a major U.S. numismatic rarity and proves that a United States two-headed […]

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NGC Certifies Rare 1942 and 1943 Wrong Planchet Cents

Numismatic Guaranty Corporation® (NGC®) has certified an extraordinary group of four 1942 and 1943 Lincoln Cents struck on the wrong planchets. Included in this group are two examples of the 1943 bronze (“copper”) cent, one of the most famous US error coins. In 1943, the US Mint used zinc-coated steel for Lincoln Cents instead of […]

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CoinWeek News Wire for January 20, 2017

By Coinweek …. CoinWeek News Wire for January 20, 2017 Brain Food 1.) Yesterday Today with Alan McRae THIS week’s image is one of the Commonwealth Government’s first issue of bank notes, known as “superscribed notes”. With Federation in 1901, the new Commonwealth Government was empowered under the new Commonwealth Constitution to legislate for its […]

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Mint Error News: Unique Double Struck Peace Dollar

United States 1922 Peace Dollar Flip-Over Double Strike in Collar, PCGS AU58 By Mike Byers for Mint Error News …… Major mint errors in the U.S. Peace Dollar series are very rare. There are only a few known off-centers, broad strikes and double strikes. Peace Dollar mint errors are many times rarer than Morgan Dollar […]

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Canadian 2016 Grizzly Bear Proof Coin CAD Error Roars onto Scene

  By Joshua McMorrow-Hernandez for Coinweek ……. The 2016 Canadian $200 Roaring Grizzly Bear Proof coin is making headlines for a recently discovered error variety. The error coin features remnants of a micro-engraved Canadian Maple Leaf security mark, ordinarily found only on the bullion version of the Royal Canadian Mint’s Roaring Grizzly Bear gold coin. […]

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World Coin Profile – Canadian 1992 $15 Commemorative Special Gold striking

Royal Canadian Mint – 1992 Spirit of the Generations $15 Proof struck in Gold In the latest issue of MintErrorNews, one of the rarest, most expensive and spectacular Canadian coins was highlighted on the cover. This special striking in gold of a proof commemorative coin was unknown to the numismatic community and was just certified […]

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