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<p>[QUOTE=&quot;Just Carl, post: 719552, member: 4552&quot;]Could be possible and I&#039;ve heard this from many others also. I&#039;ve seen photos on the internet of Copper coins that were so called discolored from only Acetone. And there is that web site about how Acetone and water will form an electrolitic type reaction with Copper. And I&#039;ve tried and tried to reproduce such reactions but since I use only highly purified Acetone and very clean glass utinsils, my results just don&#039;t match those results. </p><p>Presently working on a Large Cent given to me free due to pitting and horrible substances on it. It has so far gone through the Acetone, Laquer thinner, Lighter fluids, Vinegar and lots of other items. Now working on Walmart Jewlery cleaners for that coin.[/QUOTE]</p><p><br /></p>

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