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 full list of the top 10 “error coins” in the US has been published by SD Bullion, the precious metals dealer. The “most valuable” coin on the full sold on ...

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 ...

SD Bullion, the gold and silver deals, has published a list of the most valuable error coins in the USA. One of the most expensive coins they listed once sold for ...

If you've got a coin collection, it's time to check every detail. That's because you could be sitting on a small fortune if you locate a rare coin in your stash. Previously, rare coins which could ...