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 ...

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 ...

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 ...

Like the leaning tower of Pisa, error coins demonstrate the alluring appeal of human error. Error coins account for some of the most rare and valuable collectable ...

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 ...

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 ...