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<p>[QUOTE=&quot;Colonialjohn, post: 2451459, member: 57741&quot;]I developed my own high end coin care product for copper in UNC or Proof status but not of course for carbon spots. Woks well for silver but designed for copper and will not impact the cartwheel effect.</p><p><br /></p><p>JPL[/QUOTE]</p><p><br /></p>

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