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<p>[QUOTE=&quot;Insider, post: 2322696, member: 24314&quot;]I disagree.&nbsp; Those spots are &quot;set.&quot;&nbsp; IMO, They would not reach that stage in a slab (protected from environment) if there was not a piece of debris attached to the coin when sealed.&nbsp; Only proof for sure is to view the surface under magnification.</p><p>&nbsp;</p><p>Corrosion development is influenced by the environment.&nbsp; Just as forensics has developed to age a corpse, conservation professionals can derive clues about corrosion.</p><p>&nbsp;</p><p><br /></p><p>&nbsp;</p><p>IMO, it is a beautiful red &amp; brown gem w/some carbon spots.[/QUOTE]</p><p><br /></p>

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