Unique & Unusual

By Bullion Shark LLC ......   In 1870, when a new mint facility was being built in San Francisco for the "Granite Lady", as the building...

By Bullion Shark LLC ......   When it comes to error coins, a mule is simply a coin that was struck from a die pair that...

Professional Coin Grading Service (PCGS) certified two extremely rare and unusual Washington Quarter errors in 2017. The first is the third-known example of a two-tailed...

CoinWeek Ancient Coin Series by Mike Markowitz ......   IN 2007, CANADA captured a world record by producing five examples of a 100-kilogram gold piece (220.5...

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...

By Mark Harvey for PCGS ......   Up, up, down, down, left, right, left, right, B, A... If that code is still burned into your brain...

By Christopher Maisano - Numismatist, Stack's Bower Galleries ......   The August Global Showcase Auction from Stack's Bowers Galleries will feature a Standing Liberty quarter error,...

By Mike Byers ......   A unique gold Buffalo Nickel has been sold by Mike Byers Inc for $400,000 USD to the JDG Trust, owner of...

By Bullion Shark LLC ......   Recently, two important and unique United States Mint error coins – a very rare off-center Carson City Morgan silver dollar...

Certified by Professional Coin Grading Service, this banknote has mismatched serial numbers and is also missing some serial number digits   Bidding has reached $5,500 for...

The Heritage Auctions sale of the 2021 Nobel Peace Prize medal awarded to independent Russian journalist and Novaya Gazeta editor-in-chief Dmitry Muratov fetched $103.5...

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...

Dmitry Muratov, editor-in-chief of the influential Russian news outlet Novaya Gazeta, will auction his 2021 Nobel Peace Prize medal on June 20 through Heritage...

The Royal Canadian Mint is delighted that The Ultimate, a one-of-a-kind one-kilo pure platinum coin, adorned with hundreds of pink diamonds from the famed...

In a highly interesting auction, GreatCollections is offering collectors a potentially once-in-a-lifetime opportunity to win a milestone piece of PCGS history. This fascinating prototype...

By Atlas Numismatics ......   Atlas Numismatics is pleased to offer our latest selection of coins and medals for your consideration. We hope that you may find something...

Gift from California business executive Dwight Manley honors ship’s brave Captain, Commander William Lewis Herndon   The United States Naval Academy in Annapolis, Maryland has received...

By Louis Golino, special to CoinWeek .....   A coin collector and part-time dealer named Adrian Coro, who specializes in circulating Mexican coinage, recently made the...

By Jay Turner for PCGS ......   Emergency issues are often prized coins in numismatics. Generally, these coins are made in times of desperation and withdrawn...

On May 4, the Royal Canadian Mint launched the Opulence Collection, exclusive numismatic masterpieces of exceptional craftsmanship featuring some of the world’s rarest precious...

By Mike Byers for Mint Error News ......   1942-S Wartime Lincoln Cent Struck on a Bronze Planchet NGC MS 62 Brown Unique Discovery Coin   This is a fascinating 1942-S...

By CoinWeek .....   One of the things we find most exciting about reporting on the numismatic marketplace is coming across those things we either didn’t...

By Mike Byers for Mint Error News ......   Unique Gold Buffalo Nickel 1913 Type 2 5¢ with Test Cut Struck on a $5 Gold Planchet (8.33 g) NGC...

The Queen’s Beasts 10kg gold coin is one of the coins being sent to the Trial of the Pyx, an annual legal process...

One-Of-A-Kind $10 1863 Judd-349 Worth $1,250,000 Highlights Legend Rare Coin Auctions Regency Auction 51 $20 1865 Judd-452 Available For Private Sale At $5,500,000 Through Legend...

By Bullion Shark LLC ......   While the 1933 St. Gaudens’ $20 gold coin is widely viewed as the most infamous American coin of all time...

Sunday Auction #1207 from David Lawrence Rare Coins (DLRC) is now live and features over 425 total lots - including more than 10 pieces...

“Gold Cas” purchased in 2011 for only $4,905   Not seen for a decade, a one-ounce gold coin with a denomination of 1,000 bitcoins (BTC) is...

GreatCollections is auctioning a very unusual, probably unique, PCGS sample slab containing a cricket. Dating to the late 1990s or 2000, the slabbed cricket...

The 1933 Double Eagle reigns today, but other rarities could one day hold numismatics’ top spot   By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   The...