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<p>[QUOTE=&quot;desertgem, post: 2014773, member: 15199&quot;]2 points. One , I suggest that you do not use water after the acetone. If you really want to use both, reverse the sequence, acetone always last and allow to evaporate before putting into a holder.</p><p><br /></p><p>Secondly, I do find it hard to imagine that even with any fluid, the problems originally on the coins would come off such without some hard physical contact during the conservation treatment. What did you do other than the fluid exposure to remove it?[/QUOTE]</p><p><br /></p>

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