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<p>[QUOTE=&quot;Insider, post: 7893551, member: 24314&quot;]It&#039;s a cat &amp; mouse game.&nbsp; From what I observed, for a while in the eighties and nineties both major TPGS were slabbing recolored copper as original red. I named one of the deceptive treatments we saw &quot;micro whizzing&quot; as it was a &quot;mechanical&quot; rather than chemical alteration.&nbsp; </p><p>IMO, all the major TPGS do a much better job now and I rarely encounter any raw or slabbed micro whizzed coins anymore.[/QUOTE]</p><p><br /></p>

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