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 ...

Coin collectors rejoiced after gold was struck in a Kentucky cornfield last month, literally. More than 800 gold Civil War-era coins were discovered after being buried more than 150 years ago. Part of ...

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, ...

The last decade of the 20th century produced coins that modern numismatic enthusiasts spend three-, four- and even five-figure sums to get their hands on today. The U ...

SARASOTA — Counting seven divisions with offices in London, Shanghai, Munich, and Hong Kong, Sarasota-based Numismatic Guaranty Corp. and its staff of 350 employees and 75 expert analysts have ...