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<p>[QUOTE=&quot;desertgem, post: 1503187, member: 15199&quot;]As long as you had it out of the holder, did you weigh it ? The results from the science experiments would be a very thin layer of 100% zinc, the same as the zinc core of a copper clad zinc cent, so the oxidizing spots could be there in either case. Any coin in a cardboard type of holder tend to have more reaction on the edge than either face of the coin.</p><p><br /></p><p>Best of Luck! all we see are the photos <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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