Cleaning Coin
So you found a small box of previous coins inside your grandmother’s attic, and also you need to clean them up and sell them. You have out the silver polish, the baking soda, and the jewelry cleaner, and also you’re ready to go. Stop right there! Old coins could be damaged by conventional cleansing merchandise, …Source: http://www.homeaccentsanddecor.com/featured/cleaning-coin/