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 fraught with potential pitfalls. Many collectors are unaware that improper ...

According to Donn Pearlman at the Professional Numismatists Guild, there are a few things you should absolutely not do before ...