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<p>[QUOTE=&quot;GDJMSP, post: 1390393, member: 112&quot;]All I&#039;m trying to say Jeff is that the article linked to confirms what I have been saying for years - that acetone can sometimes cause copper coins to turn weird colors.</p><p><br /></p><p>And for years people have told me that I was crazy, that it was impossible, that acetone did not react with copper and that acetone was completely safe to use on copper coins.</p><p><br /></p><p>That article says I was right.[/QUOTE]</p><p><br /></p>

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