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<p>[QUOTE=&quot;USS656, post: 7880276, member: 6641&quot;]the acetone/ xylene soak may also uncover the now white hard residue created by long exposure, under the black.&nbsp; This residue on this coin was not coming off with the 3+ days of soaking in xylene.&nbsp; While I didn&#039;t really want to use speed dip, it was less likely to cause further damage I might have done by working the xylene using a q-tip.&nbsp; By using the diluted dip I was able to better control and significantly speed up the removal of the PVC using the acid dip while reducing the further damage that could have been done by too much exposure to the dip.[/QUOTE]</p><p><br /></p>

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