This listing is for a Deller's Darkener for Cleaned Copper Coins. This product is used to help restore an aged look to your cleaned copper coins. This listing is for a single 0.25 oz. jar. This item is new from our inventory.

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.