A rare 2001-D Lincoln cent, a "mule error" coin with a dime reverse, has fetched over $100,000 at auction. This unique coin, created by a minting mistake in Denver, features Abraham Lincoln on the ...

A rare $1 coin with a distinctive “double rim”, the result of a printing error at the Mint back in 2000, is today worth an actual mint to collectors. According to ...

We are all being encouraged to check our change after a rare 20p coin sold for 390 times its face value this week. The 20p piece is a “mule” coin dating from 2008 ...

There used to be a saying — “pennies make dimes and dimes make dollars” — that stressed the importance of saving your money (the phrase later showed up in a country song). Today, some Lincoln pennies ...