Centuries-old coins, believed to be part of a $17 billion treasure trove on the shipwreck of the Spanish galleon ship San ...

But certain rare and historic U.S. quarters are worth far more than 25 cents—some even fetch hundreds of thousands of dollars ...

Kuwaiti Dinar · Bahraini Dinar · Omani Rial · Jordanian Dinar · Gibraltar Pound · British Pound · Cayman Islands Dollar · ...

While most coins have a fixed face value, some pennies can be worth more. With the US Treasury planning to stop minting ...