Over time, coins can become rare collectibles that are sold for thousands, if not millions, of dollars in the present day.

When it comes to coin collecting, it's hard to beat the appeal of the United States Mint proof set. These sets of ...

The coin that fetched the highest sum at the auction was an 'exceptionally rare' Charles I Gold Triple Unite, which sold for ...

The U.S. Mint opened sales of the Reverse Proof Morgan and Peace dollars and that topped interest this week, with the discovery of a gold field in China close behind.