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<p>[QUOTE=&quot;-jeffB, post: 1073953, member: 27832&quot;]Okay, I&#039;m ready to do some conservation.</p><p><br /></p><p>[ATTACH]106462.vB[/ATTACH]</p><p><br /></p><p>I found this Kennedy proof at the bank yesterday. &quot;Hey, this one looks different...&quot; is a great thing to hear from a teller, but not while she&#039;s putting her fingers all over both sides of a proof. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie3" alt=":(" unselectable="on" unselectable="on" /> I&#039;d like to remove the fingerprints before I put this one in a holder. I&#039;m leaning toward gentle detergent in an ultrasonic cleaner, with a distilled-water rinse; I&#039;m thinking an acetone soak probably isn&#039;t the right approach. Ideas?</p><p><br /></p><p>[ATTACH]106461.vB[/ATTACH]</p><p><br /></p><p>This IHC came in a small batch of other coins, and is by far the finest IHC I&#039;ve ever had. The diamonds are clearer in-hand than in this picture. I&#039;d like to try to remove the soft green verdigris (if that&#039;s what it is), but I&#039;m nervous. How much would I be risking by doing the ultrasonic-bath treatment here?</p><p><br /></p><p>In either case, I&#039;d be resting the coin on soft cotton or something similar.</p><p><br /></p><p>Ideas? Counter-suggestions?[/QUOTE]</p><p><br /></p>

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