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 ...

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?” ...