The sale of the coin, a 1913 Liberty Nickel known as the Hawaii Five-O coin, marked the 14th time this year that a coin graded by NGC sold for more than $1 million. This coin has an unusual history, ...

Numismatic Guaranty Corporation grades most US coins, tokens and medals in addition to coins from around the world. Source: Crunchbase Get access to the below data and more business development tools ...

A collection of hundreds of coins certified by Sarasota-based Numismatic Guaranty Co. sold for about $8.9 million at an auction hosted by the Swiss auction house SINCONA, according to a news release ...

The time of the penny is coming to a close. The U.S. Treasury Department placed its last order of blanks, flat metal discs used to make pennies, in late May. President Donald Trump told the mint to ...