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<p>[QUOTE=&quot;Ken Dorney, post: 2703673, member: 76086&quot;]This seems much more likely to me.&nbsp; From the 1980&#039;s and earlier (even back into the 19th Century with British coinage) many coins were coated either with wax, shellack or other substances to protect the surfaces and to enhance the appearance of the patina.&nbsp; Just looking at a photo one cant really tell, but I would assume it was simply coated and the acetone wash took off the natural patina.&nbsp; I have seen many of these coins in holders with no coating and the patina chips off extremely easily, many times with patina dust in the flip.&nbsp; Coating it is the only way to preserve the coin.&nbsp; But if you remove it....you end up with a coin like the second photo.[/QUOTE]</p><p><br /></p>

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