The first rule of coin collecting is: DO NOT CLEAN YOUR COINS. This is the most important piece of advice for any collector, new or old. Serious collectors and experts agree that most coins should ...

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 ...

You just found an old coin, and your pulse quickens - it could be worth something, but one slip can erase that value. Stay calm and deliberate: the right choices now protect whatever value the coin ...

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 ...

For many newcomers to the world of numismatics, tarnished coins may appear ugly, dirty, and worth a whole lot of nothing. As we have all learned over the course of our lifetime, appearances are not ...