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<p>[QUOTE=&quot;Coinchemistry 2012, post: 2369208, member: 28107&quot;]I don&#039;t know the answer to your question, but I can tell you that they were conservative during that era, and I have crossed coins to PCGS and NGC successfully (sometimes they, especially the PQ labeled coins, upgrade).&nbsp; That tells me the coin clearly looked much, much, much better than currently.&nbsp; My guess is that chemicals were applied to recolor the piece, and we are seeing the residue turn the coin in the holder.&nbsp; I vote altered surfaces.</p><p><br /></p><p>Edited to add:&nbsp; The term &quot;altered surfaces&quot; is a catch all term that does not necessarily imply mechanical manipulation.&nbsp; If this is the case (as I suspect it is), I do hope it cleans up nicely.&nbsp; Aside from the residue turning, it looks to be a very nice coin.[/QUOTE]</p><p><br /></p>

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