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<p>[QUOTE=&quot;GDJMSP, post: 3172983, member: 112&quot;]Well, as I&#039;ve discussed many times I wouldn&#039;t use acetone on copper, but we&#039;ll not rehash that debate. You can use xylene which will do the same thing acetone does but do it safely with copper.</p><p><br /></p><p>But even easier than that is standing them on edge on a soft and absorbent surface and letting them lean up against something, like a kitchen back-splash, as they warm up. Any water from condensation runs off and is pulled away from the coin by the absorbent material. Or, you can also blot the coins occasionally as they warm up. Both methods solve the problem.</p><p><br /></p><p>As for the issue of the condensing water being harmful, it&#039;s no more harmful than having the coins exposed to the air to begin with. This is because there is always air, and moisture in the air, getting to the coins no matter WHAT you do or don&#039;t do to them. So any toning/corrosion that is going to happen, IS going to happen whether you use the freezer method or not !</p><p><br /></p><p>So for those who prefer the hammer, pliers, cutting tools, methods and all the risk that goes along with using them - have at it.[/QUOTE]</p><p><br /></p>

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