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 ...

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 ...

Use less aggressive ways of cleaning old coins – an efficient method is to soak them in vinegar or lemon juice for 10 to 15 minutes, then wipe them with a cotton cloth. This process should remove any ...

Let’s say you’re clearing out your parents’ or grandparents’ attic and you happen to spot a box full of coins. Or maybe you’re shopping at the secondhand store when you get a unique piece of paper ...