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<p>[QUOTE=&quot;TheMont, post: 2616430, member: 80121&quot;]This forum is about coins not chemistry. You missed my last paragraph, there is noting to lose. If the coin has PVC problems it probably doesn&#039;t have any value. So giving it a bath (or two) in acetone is a no lose proposition. If it cleans the coin, you&#039;ve got a collectable coin, if it doesn&#039;t or reveals acid etching, you&#039;re back to where you started, a coin with little or no value. The acetone doesn&#039;t react with the coins metal, so TPGs are okay with it, I&#039;ve submitted coins that I&#039;ve given an acetone bath and the TPGs have not labeled it altered surfaces, they went ahead and graded it. I&#039;ve never tried acetone on a Lincoln Cent so I don&#039;t know the reaction with a copper coin, I&#039;ll try it on a pocket change coin to see what happens.[/QUOTE]</p><p><br /></p>

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