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<p>[QUOTE=&quot;-jeffB, post: 3958181, member: 27832&quot;]We&#039;re getting into terminology here, but I&#039;d say that it&#039;s the oxidation process <i>itself</i> that&#039;s <i>already</i> removed the metal from the coin&#039;s surface. It&#039;s still <i>sitting</i> on the surface, but it&#039;s no longer acting as a part of the metal surface, particularly when it comes to optical effects.</p><p><br /></p><p>Saying MS70 hurts a coin by removing metal is a bit like saying that a fall breeze harms a tree by stripping its leaves away. No, those leaves were already dead. (Now, if only a coin could regrow its original lustrous surface in the spring...)[/QUOTE]</p><p><br /></p>

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