Minting coins isn't exactly an exact science. Even though most coins are perfect and uniform, small mistakes can result in error coins that are super valuable and ...

A manufacturing error on the 1999 Georgia state quarter has increased the coin’s value, and some collectors are paying as much as $10,000 for the affected 25-cent pieces.

Most people wouldn't think twice about a Kennedy half dollar sitting in a drawer or coin jar. Let's be real, these coins have been around since 1964 and seem pretty common. Yet some of these ...

Got some coins lying around? Some may be worth hundreds if not thousands to currency collectors. According to The Spruce Crafts, a site specializing in hobbies and coin collecting, coin collectors are ...

Add Yahoo as a preferred source to see more of our stories on Google. Evan's Studio via Shutterstock The first coin to feature a woman, the Susan B. Anthony dollar can also be quite valuable. It's ...

If you are a rare coin collector, you know that it’s not always the perfect coins that are the most valuable. There are many criteria that make a coin worth lots of money in today’s currency, as well ...

Some of the rarest and most valuable coins in U.S. history owe their worth to minting errors that slipped through unnoticed. Coins like the 1943 Copper Penny, struck in copper instead of wartime steel ...

The 1943 penny errors represent some of the most fascinating and valuable mistakes in American numismatics. During World War II, the U.S. Mint switched from copper to ...