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<p>[QUOTE=&quot;GDJMSP, post: 139417, member: 112&quot;]Yeah, they (PCGS) claimed the coin the turned in the holder - but actually the coin had the carbon spots on it when they graded it to begin with. BTW, the bidding hit $56,000 before PCGS stepped in and bought the coin. But that&#039;s another story, back on topic.</p><p><br /></p><p>Yes, all copper coins will turn brown unless they are protected from the air. But there&#039;s more than one way to do that. In decades past collectors would often coat their copper coins with lacquer or a similar material to proetect the mint red color. Others would take rolls of the coins and then wrap the rolls or place them in tight tins or mason jars. Some were even known to seal the rolls in wax. </p><p><br /></p><p>But one thing you can count on, if you see any old coin that is still mint white (silver) or red (copper) - the coin has either been dipped or some collector, or series of collectors, protected it somehow.[/QUOTE]</p><p><br /></p>

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