An extremely rare half-dollar coin from 1838, now valued at as much as $500,000, is set for auction this week. The 1838-O Capped Bust half dollar is one of only nine that are known to exist, according ...

The finest example of the 1804 silver dollar known to exist sold for US$7.86 million at a Stack’s Bowers Galleries auction earlier this week, making it the second-most valuable U.S. silver dollar ever ...

An American silver coin dating back to the 17th century, before the United States was founded, has sold for a record-breaking $2.52 million at auction, eight years after it was discovered in an old ...

Where James A. Stack Sr. acquired it is a mystery that may never be solved - but for more than 70 years, one of the rarest coins in American history sat quietly in his family's collection. Stack, a ...

The U.S. minted its final pennies in November, and you'll soon have a chance to snag a rare three-coin set to commemorate it.