The penny in question is called the 2001-D Lincoln cent mule error coin. It is so rare that it has twice sold at auction for ...

The penny of 1988 is dull to look at initially. A mere old copper counterfeit coin. Some of these, however, contain errors which make them something much more ...

Add Yahoo as a preferred source to see more of our stories on Google. Peter Gudella via Shutterstock Minting coins isn't exactly an exact science. Even though most ...

These days you’d be hard-pressed to find a single item available at a store for a nickel. So you can be forgiven if you toss your 5-cent coins into a jar or car cup holder along with your unwanted ...