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<p>[QUOTE=&quot;-jeffB, post: 1540452, member: 27832&quot;]And at the end of this test, you&#039;ll know whether you have a clad coin with new hairlines or a silver coin with new hairlines. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie3" alt=":(" unselectable="on" unselectable="on" /></p><p><br /></p><p>Seriously, please <i>don&#039;t</i> test a potentially valuable coin by &quot;sliding it across&quot; <i>anything</i>.</p><p><br /></p><p>With practice, you can feel the perturbations if you <i>wave</i> a magnet across a coin without touching it. Or you can put the coin in a 2x2 and then slide it (gently), although this isn&#039;t completely risk-free (and staples will confuse the issue). Maybe it would work to put a piece of wax paper between the coin and the magnet -- but make sure the magnet, not the coin, slides across the paper.[/QUOTE]</p><p><br /></p>

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