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 ...

If I stumble on an old coin or bill in a drawer, my first instinct might be to clean it up or rush to sell it, but those snap decisions can quietly erase hundreds or even thousands of dollars in value ...

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?” ...