Carson City, Nevada, doesn't have a U.S. mint facility anymore, so finding a coin with a CC mark is quite special. Of these Carson City coins, the 1873 Liberty Seated quarters are some of the best.

Are your old pennies worth millions? Experts say you shouldn't bank on it. However, some wheat pennies could be worth ...

Most of the commemorative state quarters are still worth, well, 25 cents. The odds of finding a high-value state quarter approximate your chances of finding multiple needles in a haystack.

5 Valuable U.S. State Quarters From 1999 to 2008, the U.S. Mint struck special quarters unique to each state, with Washington’s mug on the flip side.

Find out what these 7 coins just sold for, with some selling for close to a million US dollars! See why they're so valuable ...

1944 Steel Penny: The 1944 steel penny is one of the rarest, most sought-after American coins in the world. Like the 1943 copper penny, it was struck using the wrong planchet. By 1944, the U.S ...

“There are many valuable and rare ancient Roman and Greek coins, but simply because a coin is old does not automatically mean it has significant collector value,” said Donn Pearlman, spokesman ...

Rare, unusual, and old, these are some of the most valuable American quarters in the world. 1796 Draped Bust Quarter Heritage Auctions, HA.com ...