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<p>[QUOTE=&quot;medoraman, post: 1283552, member: 26302&quot;]I believe you could use soap and water. The only caveat I would have is while they are in contact with the soap leave them in the water, and when you are done rinse them in plain water to get the worst of the soap off, then soak in a basin of distilled water. Leave them in the distilled water an hour or two, then take them out and put on a cloth to dry.</p><p><br /></p><p>Your danger here sir is the chlorine. You do not want any part of it to remain on the copper, as this can lead to bronze disease. I have done hundreds of ancients the way I describe and have had no problem. I do believe its best to remove the oil from the coins.</p><p><br /></p><p>Chris[/QUOTE]</p><p><br /></p>

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