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<p>[QUOTE=&quot;SuperDave, post: 2693688, member: 1892&quot;]No, they can&#039;t. It won&#039;t &quot;lighten gradually,&quot; it&#039;ll remove fairly completely from thinnest to thickest coating. So, from the very start he&#039;s going to create a coin with the &quot;measles&quot; look and the only progress will be deleting more and more spots. By the time he gets to the toughest spots, the cleanest surfaces will be overdipped. He&#039;s going to learn that the hard way, with a valuable coin. So, two cardinal rules of coin conservation broken in one job.[/QUOTE]</p><p><br /></p>

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