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<p>[QUOTE=&quot;SuperDave, post: 2384539, member: 1892&quot;]So you need to be the judge of whether &quot;progress&quot; has been made. If an organic solvent can have a visible effect on what&#039;s there, then very likely it can remove it all (or enough to alleviate your concern) over time. The next time I have a coin soaking in acetone for a calendar week or more (not all in one single bath) won&#039;t be the first. In this case, with a circulated coin, a little Q-Tip &quot;help&quot; is recommended, although you should do it while the coin is immersed.</p><p><br /></p><p>Anything an organic solvent can affect does not need more intrusive methods. If it does not have an effect - even &quot;softening&quot; - within, say, 48 hours immersed, then you have to escalate.</p><p><br /></p><p>Clawcoins, I think you&#039;ve already determined where you stand with this one; my words are meant for all the others reading who have not necessarily seen this before.[/QUOTE]</p><p><br /></p>

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