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<p>[QUOTE=&quot;non_cents, post: 1898401, member: 30970&quot;]Acetone removes particular types of foreign debris, but leaves the original coin (that is, everything that was present on it when it was first struck) intact. In that sense, it is not the same type of &quot;cleaning&quot; from putting it in an acidic solution because it does not react with/change the original surfaces.[/QUOTE]</p><p><br /></p>

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