Add Yahoo as a preferred source to see more of our stories on Google. Credit: New Africa/Shutterstock Credit: New Africa/Shutterstock You know those pennies, nickels, dimes, and quarters in your ...

Cleaning ancient coins is about preservation, not shine. This video shows how Graeme from Unearthed carefully cleans bronze ...

A weekly column dedicated to “digging out” current information about precious metals, coins and other numismatics. A question I get quite often from my customers is “what can I use to clean my coins?” ...

Thanks for the hint on cleaning coins. However, please tell the folks not to try it with the new "gold" dollars. I tried to clean up a few, and in less than 15 minutes, the cleaner proceeded to remove ...