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<p>[QUOTE=&quot;GDJMSP, post: 1507854, member: 112&quot;]Larry - if you find it necessary to dip a copper coin in acetone, simply give it a final rinse in distilled water, stand it in edge and allow it to air dry (no patting, no anything else), and that &quot;dry look&quot; problem will go away - forever.</p><p><br /></p><p>The very same problem, the &quot;dry look&quot;, occurs with any coin that you dip in acetone. It&#039;s just doesn&#039;t stand out as much on other coins because their metal is not dark like copper is. What you call a dry look, I have always called a whitish cast - but it&#039;s same thing. And that is precisely why I have always, always, always - said that after you clean coins in acetone you need to give them a final rinse in distilled water.</p><p><br /></p><p>Of course, people always, always, always - tell me I&#039;m crazy. Well guess what, I&#039;m not. You do that final rinse in distilled water because it works <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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