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, ...

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 ...

Lakewood Ranch-based Certified Collectibles Group (CCG) has promoted Harshen Patel to vice-president of Certified Guaranty Company (CGC) and Scott Heller to vice-president of sales at Numismatic ...

The San Francisco Mint produced just 300 of the $5 coins during the height of the gold rush. Numismatic Guaranty Corporation When a coin collector was told his mysterious $5 discovery was a fake by ...

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 ...