baking soda to clean coins
Coin Cleaning
Baking Soda and Water
A lot of metal detecting people have used and still do use
baking soda and water to clean surface dirt from coins. This method often
leaves a shine on detailed points of the coins. Simply mix a little baking soda
and water together and slide the coin between your fingers.
The Baking soda is an ABRASIVE and mixed to a paste WILL scratch the surface of coins