SafeClean Coin Cleaner for Modern Nickel Coins. See below. One Gallon. It is not a "quick dip" type cleaner. SafeCleanTM Coin Cleaner for Modern Nickel Coins. 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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