Category Archives: Unique and Unusual Coins

Bimetallic US Braille Pattern Dollar Offered by Stack’s Bowers in November Auction

Stack’s Bowers Galleries presents a rare bimetallic pattern dollar featuring Braille text in their November 2020 Showcase Auction. Struck by the German company Schuler for exhibition at United States Congressional hearings and the United States Mint, this pattern was intended to demonstrate the implementation of Braille elements in response to concerns from the Alliance for […]

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Mike Byers Mint Error News – New Martha Washington Die Design Quarter Test Strike

New Martha Washington Die Design (2011-2013) U.S. Quarter Test Strike Judd #2225 – Mint Cancelled NGC Brilliant Uncirculated Unique in Private Hands   By Mike Byers for Mint Error News …… Newly redesigned Martha Washington dies were used to strike test pieces at the United States Mint in 2011 and 2012. This unique discovery 2012 […]

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Mike Byers Mint Error News – Unique 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   By Mike Byers for Mint Error News …… This amazing unique discovery is the only known off-metal mated pair on any U.S. Proof coinage that combines two different off-metals. This mated […]

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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 – 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 – 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 – 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 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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A Double Rose Nobel from Gelderland—Unpublished and Unique, Forgotten and Now Rediscovered

By Jeremy Bostwick – Senior Numismatist & Cataloger, Stack’s Bowers …… An English gold coin first minted under King Edward III in 1344, the noble became a popular type with robust, intricate iconography on each side, similar to other contemporary gold issues circulating throughout Western Europe. The obverse—commemorating the English naval victory at the Battle […]

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Mike Byers Mint Error News – Unique Set of Third Reich Hindenburg Silver Matte Proof Coins

By Mike Byers for Mint Error News …… This is a unique historical and unbelievable set of all three Third Reich proof silver issues in matte proof of the Hindenburg German coins. It has been authenticated and certified by PCGS. The 1937A silver 2 Mark is unique in matte proof. It is unrecorded in all […]

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PAMP Suisse Creates Its 1st Ever UFO Shaped Coin!

Colorized UFO Shaped Coin is Out of this World! By Bullion Shark LLC …… PAMP Suisse, the renowned Swiss refiner, has just released its first-ever UFO-shaped coin. PAMP has been effectively capturing collector’s imaginations and past by releasing similar items such as the 1 oz Silver Shark coins and its super popular Silver PEZ dispenser. […]

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NGC Certifies Seated Liberty Half Dollar Error Struck on Quarter Planchet

Numismatic Guaranty Corporation® (NGC®) has certified an incredible error coin: a Seated Liberty half dollar struck on a quarter planchet. This stunning error is believed to be unique for the Seated Liberty half dollar series. The coin was recently discovered in an old collection that had been held by the Wheeler Family of New Jersey […]

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Perth Mint Coin Profiles – Australia 2019 Jewelled Dragon 10oz Gold Proof Coin

The Perth Mint is delighted to present The Jewelled Dragon, an exceptional collectable showcasing rare and spectacular treasures from two Western Australian icons – Argyle Pink Diamonds and The Perth Mint. Struck from 10oz of 99.99% pure gold in proof quality, the extremely limited edition is surmounted by a three-dimensional representation of China’s most auspicious […]

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Heritage Auctions – Seldom Seen Selections: 1922 High Relief Peace Dollar with Unique Antique Finish

Judd-2018 is a recently discovered trial striking of the 1922 High Relief Peace dollar, struck in business-strike format and first reported by David W. Lange in 2007. It is one of the rarest die combinations from 1921 to 1922, a time period when the Mint experimented extensively with the relief of Anthony de Francisci’s artistic […]

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The Story of the 1973/74 Aluminum Lincoln Penny

By Blanchard & Company ……   How do you run a successful business? You make sure that costs don’t exceed revenues. However, in a 2014 biennial report to Congress, the United States Mint explained that it takes 8.04 cents to make a nickel and 1.66 cents to make a penny. This imbalance between manufacturing costs and face […]

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NGC Certifies Newman’s Unique 1792 Washington President Gold Eagle

Numismatic Guaranty Corporation® (NGC®) has certified the late Eric P. Newman’s most cherished coin: the unique 1792 Washington President gold eagle that researchers believe was presented to George Washington and carried by him as a pocket piece. Graded NGC XF 45★, the coin will be sold without reserve by Heritage Auctions on August 16, 2018, […]

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125th Stanley Cup Anniv. Shaped Silver Coin – An Engineering Feat From the Royal Canadian Mint

How the Royal Canadian Mint Used Virtual Minting to Create the Innovative Stanley Cup Coin In 2016 and 2017, the Royal Canadian Mint hit some roadblocks in its efforts to create a collectible coin honoring the 125th anniversary of the Stanley Cup. Michael Groves, director of development and applied technology, explains how the R&D team […]

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Historical Regulated Gold $15 Coin to Appear in Sedwick Treasure Auction

  In the early years of the United States of America, a lack of gold coinage forced citizens to utilize an unusual but practical source. Known as regulated gold, these were foreign gold coins adjusted by respected goldsmiths to weights compatible with US dollars. One such piece, an NGC-graded XF 40 Lima, Peru, cob 8 […]

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Coin Profile – Austria 2004 Vienna Philharmonic 100,000 Euro Gold Coin

Description: In 2004, the Austrian Mint celebrated the 15th year of its successful Vienna Philharmonic gold bullion coin program by producing 15 1,000-ounce versions of the popular Euro gold coin. The coin–nicknamed “Big Phil”–was presented to the public in grand style by Vice-Governor of the Austrian Central Bank, Wolfgang Duchatczek. The coins were too big […]

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PCGS Certifies Two Rare and Unusual Washington Quarter Errors

Professional Coin Grading Service (PCGS) recently certified two extremely rare and unusual Washington Quarter errors. The first is the third-known example of a two-tailed quarter likely struck in the 1965-1967 period. This piece, now graded PCGS MS62, was purchased by noted error specialist Fred Weinberg at the September 2017 Long Beach Coin, Currency, Stamp & […]

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NGC Certifies Rare “Mule” Error on Canadian Gold Kilo Coin – with Exclusive 4K Video

By Joshua McMorrow-Hernandez for CoinWeek.com …… A newly discovered “mule” error on the Canadian 2017 In the Eyes of the Timber Wolf $2,500 1 kilo gold coin has become the latest star in the world of modern coins. The mint gaffe marries the obverse of the $250 Proof silver Timber Wolf kilo, graced by an […]

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Heritage: 20th Century Rarities Claim Top Honors in $4 Million Hong Kong Auctions

A Chinese 1914 Republic Yuan Shih-kai silver “L. Giorgi” Pattern Specimen Dollar SP65 PCGS, took top lot honors at $77,675 USD in Heritage Auction’s $2.9 million Asian Coins Signature Auction held June 21-23 in Hong Kong. The auction saw bidders vying for a diverse selection of 20th century rarities in one of the fastest-growing events […]

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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 Grades Rare Canadian Silver Maple Leaf Error

A unique Canadian Maple Leaf error is certified by NGC Numismatic Guaranty Corporation® (NGC®) has authenticated and graded an extremely rare Canadian Silver Maple Leaf error. This 2005 $5 Silver Maple Leaf was incorrectly struck on a 25.1g .9999 silver planchet intended for commemorative silver dollars instead of a 31.1g .9999 silver planchet used for […]

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U.S. Coins – Glass Penny Sells for $70,500 at FUN Show Heritage Auction

Ultra-rare glass coin was World War II experiment The only known surviving intact experimental all-glass penny, manufactured in 1942 as a possible alternative to copper that was urgently needed during World War II, sold for $70,500 in a public auction conducted in Fort Lauderdale, Florida and online by Dallas, Texas-based Heritage Auctions on Friday, January […]

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Rare US Coins – Glass Cent Pattern Discovered

By Everett Millman – Gainesville Coins ……. Amid the nationwide mobilization effort for the Second World War, the United States Mint was forced to explore using new materials for its low-denomination coins as nickel and copper supplies were diverted to war production. This led the mint to replace the normal composition of the five-cent nickel […]

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PCGS Bounty for Five Legendary Coins Totals $50,000

Professional Coin Grading Service (PCGS) is extending the $10,000 reward offered for the 1964-D Peace Dollar to four additional coins, bringing the bounty up to $50,000. In addition to the 1964-D $10,000 bounty, PCGS will add four separate $10,000 rewards for the 1873-S Seated Dollar, the 1894-S Barber Dime, the 1841-O $5 Half Eagle and […]

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Perth Mint: Million Dollar Kimberley Coin Sold in Record Time

Following the launch of the world-exclusive Kimberley Treasure coin, the Perth Mint has sold the spectacular masterpiece to an international buyer within just 48 hours of its release. Crafted from one kilogram of 99.99% pure gold and featuring a radiant 0.54 carat red diamond from the famed Argyle Diamond Mine in the East Kimberley region […]

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Newly Discovered, Unique Dual-Plugged 1795 Silver Dollar Offered by Heritage Auctions

Authenticated by NGC, this discovery coin will be featured in the Heritage Platinum Night Auction at the ANA Anaheim World’s Fair of Money, August 10, 2016 A first-of-its-kind, recently-discovered 1795 U.S. Flowing Hair silver dollar with two separate “plugs” has been authenticated by Numismatic Guaranty Corporation (NGC) and will be a featured highlight of the […]

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Western Australia Premier Unveils Perth Mint Exclusive

The Premier of Western Australia, the Honourable Colin Barnett MLA, today unveiled the world’s first coin to feature a significant red diamond from Rio Tinto’s iconic Argyle Diamond Mine. A world exclusive from The Perth Mint, the Kimberley Treasure coin is the only coin in its class. Valued at NZ$1 million, the breathtaking collectable has […]

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