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<p>[QUOTE=&quot;GDJMSP, post: 2223045, member: 112&quot;]Steve - some coins have coating put on them when they are issued by the mint. I don&#039;t know that it is, but if this coin is one of those kind of coins, that could be the problem. The acetone dissolved some or all of the coating and left the coin looking as it does now. There are several other possibilities as well.</p><p><br /></p><p>But exactly what kind of container did you use when you rinsed this coin in acetone ? Was it a glass bowl, plastic bowl, metal bowl etc etc etc ? What was it ?[/QUOTE]</p><p><br /></p>

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