SafeClean Cleaners for Modern Silver, Copper and Nickel Coins 12 fl.oz. (355 ml) in Convenient Ready to Use Formulas and 4 oz. (118 ml) Custom Use Concentrate. See below. It reveals what lies beneath oily dirt, oxidation, mild corrosion, most verdigris(copper carbonate), fingerprints, PVC film, mold, "coin folder rot", "crud" and more.
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