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<p>[QUOTE=&quot;GDJMSP, post: 2466326, member: 112&quot;]Now if you&#039;re gonna say it Thad let&#039;s at least be accurate <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>I have never claimed that acetone on copper will always cause weird colors, only that sometimes it does. And I am certainly not the only person who knows this. If you were to go back to the old days of the NGC and PCGS forums, before CT even existed, you would find reports from quite a few very knowledgeable and well respected collectors and dealers that state the same thing that I have stated here on this forum many, many times - using acetone on copper can <u>sometimes</u> cause the coin to turn weird colors.</p><p><br /></p><p>And yeah, I already know, just because you&#039;ve never seen it, you, and others, always claim that if it does, it&#039;s because there was something else on the coin.</p><p><br /></p><p>Well, let me ask you a question then. Even <b>IF</b> that is true, so what ? I mean what difference does it make ? The only thing that matters is that it happens. You are trying to properly clean a copper coin. But what you end up with is a copper coin that has turned weird colors, a copper coin that nobody will accept. And if that copper coin happens to be valuable - what have you ended up doing ? You have destroyed a good deal of that value. Not a good thing !</p><p><br /></p><p>So what is the best course of action ? To my mind, it&#039;s not to use acetone on copper. Instead, use xylene. For I have never seen it myself, nor have I ever heard of a report where xylene caused weird colors on copper. And xylene will remove anything that acetone will.</p><p><br /></p><p>In other words, better safe than sorry.[/QUOTE]</p><p><br /></p>

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