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<p>[QUOTE=&quot;lkeigwin, post: 1236148, member: 30400&quot;]I posted this newp earlier in this thread. I also noted a few spots on the reverse that looked to be PVC (or verdigris). I didn&#039;t want to treat them myself because I was afraid the colorful coin might never get back into a problem-free holder. So I sent the IHC to PCGS for a free spot review and asked them to take care of it.</p><p><br /></p><p>They were quick about it this time. Usually it takes months for them to conserve a coin (which is something they will quietly do if they can rescue the coin and avoid a guarantee payout). I suppose they used acetone, or maybe their own tried-and-true chemicals.</p><p><br /></p><p>As you can see there was a significant, though maybe not unfortunate, change in the appearance. I kind of like it.</p><p><br /></p><p>I thought some of you might be interested. We always say acetone is 100% safe but then add be careful with copper, especially red or colorful copper. I haven&#039;t seen any problem with acetone of xylene on brown copper.</p><p><br /></p><p>Does this trouble you...TPG&#039;s working on coins to prevent future damage? Or do you like it and think it&#039;s a great benefit?</p><p><br /></p><p>Here are before and after photos. The very slight PVC on the reverse was at the rim 6 o&#039;clock, wreath edge at 10 o&#039;clock, and inside the O in ONE.</p><p>Lance.</p><p><br /></p><p>BEFORE</p><p><br /></p><p><img src="http://i244.photobucket.com/albums/gg37/lkeigwin/IHCs/955c5d4c.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /><img src="http://i244.photobucket.com/albums/gg37/lkeigwin/IHCs/e9ac681b.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><br /></p><p>AFTER</p><p><br /></p><p><img src="http://i244.photobucket.com/albums/gg37/lkeigwin/IHCs/3ee36ecc.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /><img src="http://i244.photobucket.com/albums/gg37/lkeigwin/IHCs/7c489457.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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