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

You never know when you might come across a valuable error coin, so it helps to know what to look for. Error coins can be divided into the following general ...

There’s something to be said for collecting old coins ... quarter in a fountain or Coinstar, you might want to check if it’s worth anything. If it was produced with any kind of error, like ...

Any coin that has a special design or was made to commemorate a major event can also mean that it's extra valuable, and finally, any coins minted by mistake, or with errors on them can be of ...