Use Mild Soap for Basic Cleaning Mix a few drops of mild dish soap in a small bowl with warm water. Soak the coin for a few minutes. Then gently rub it with your fingers or a soft cloth. This helps ...

For coin collectors, the allure of a well-maintained collection is undeniable. However, the process of cleaning coins is ...

You know those pennies, nickels, dimes, and quarters in your wallet have been passed around a lot. And that means they’re probably pretty grimy. You’ve probably accidentally washed a few forgotten ...