Nic-A-Spray Coin Cleaner, 1 1/4 oz bottle with brush and holder. Formulated to clean circulated and uncirculated coins. Removes tarnish, prints, soiled conditions. This solution works best on silver and gold coins. Proof and uncirculated coins - to remove tarnish, apply spray until coin is completely saturated. Rinse & dry same way as with circulated coins. Repeat if necessary. Please note that cleaning coins may decrease their value. We advise you to contact a numismatic professional prior to using any chemical or cleaning product on a coin. If assured that using the product will not adversely impact the coin, follow the instructions precisely and exercise extreme caution. Description: Coin Cleaner, Size: 1 1/4 oz Bottle, Cleans Gold & Silver Coins, A great gift idea for any coin collector!