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<p>[QUOTE=&quot;Kentucky, post: 2407246, member: 33176&quot;]If a coin is cleaned and re-toned (by whatever means) we have ways to detect some of that cleaning now, but not necessarily at times in the past.&nbsp; If the coin were cleaned (not harshly, like with a wire brush) and submitted, it could pass muster at any of the TPG&#039;s.&nbsp; Once in the plastic tomb, reaction to residual cleaning agent could cause it to tone in the observed manner.[/QUOTE]</p><p><br /></p>

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