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<p>[QUOTE=&quot;GDJMSP, post: 204547, member: 112&quot;]If you wish to experiment fine, but do so with coins besides cents as well. Copper does not always react well with acetone - it often turns all sorts of colors while other metals do not. </p><p><br /></p><p>You are quite right about being able to rinse acetone off a coin with distilled water. But it must be rinsed thoroughly. Turpentine and other solvents do not rinse off with water - they leave oily residues behind. And that is the problem. Those oily residues, will in time damage the coin.[/QUOTE]</p><p><br /></p>

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