You're digging through a giant jar of pennies you've ignored for years, hoping to find something special. That's when it happens. You come across a rare Indian Head Cent from 1909, a coin that's ...

Here's what to do—and not do—when cleaning collected coins. Chalk it up to the excitement of having my own money for the first time, but when I was a kid, I loved cleaning all of the coins collected ...

In the world of coin collecting, the difference between a coin worth several thousand dollars and one which could be worth ...