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<p>[QUOTE=&quot;CircCam, post: 2663775, member: 85675&quot;]<b>Ok. All done.</b></p><p><b><br /></b></p><p>Chose a 1923-S with the tape and a large black corrosion mark on the reverse... figured it was a good candidate for that reason and there is a second 1923-S in better shape overall here. </p><p><br /></p><p>Rinsed with distilled water, rinsed under warm water briefly, rinsed with distilled water, placed in sealed mason jar of 100% acetone for one hour.&nbsp; Removed and rinsed with fresh acetone, rinsed with distilled water, removed and air dried.</p><p><br /></p><p>It didn&#039;t remove the tape, but I noticed that a tiny lip of it was now sticking up on the edge.&nbsp; I grabbed a pair of tweezers and carefully removed it without touching the coin at all.</p><p><br /></p><p>There is still brown residue where the tape was, but there are tiny spots where the tape was that are clear and look like the rest of the coin, color-wise which I wasn&#039;t expecting.&nbsp; </p><p><br /></p><p>That&#039;s good and I imagine another soak of some kind is in order to remove the rest of the residue.</p><p><br /></p><p>Now, I did notice a slight and odd coloration change on the obverse.&nbsp; There is now a faint, almost women&#039;s makeup colored splotch covering her entire neck, the bottom of her chin and leading up the right side to the T in LIBERTY.&nbsp; It is in contrast to the dark grey film on the rest of the coin.&nbsp; I know my pictures leave something to be desired, but I took a shot from the angle this change is most obvious to illustrate what I&#039;m referring to.&nbsp; I&#039;m not sure it looks any worse than it did prior as it is circulated and far from perfect anyway, but thought it was worth noting.&nbsp; </p><p><br /></p><p>I took the images in the exact same spot and tried to match the focus- the obverse detail looks slightly sharper now to me.&nbsp; </p><p><br /></p><p>All in all, I&#039;ll take this particular coin as far as I can without ruining it to remove the tape residue and view it as an education. </p><p><br /></p><p>I&#039;m not willing to risk any odd changes in all the better examples with no corrosion though.&nbsp; I think it best to leave them and their history alone, tape and all. </p><p><br /></p><p>So, the question is... what next for the soaked coin? Since the tape itself is off it seems the residue may go as well.&nbsp; I appreciate all suggestions and input for Step 2!</p><p><br /></p><p>Pictures are:</p><p><br /></p><p>A) Both sides pre-soak</p><p>B) Both sides post-soak</p><p>C) After tweezing the tape</p><p>D) Angle showing color change on obverse[ATTACH=full]591549[/ATTACH][ATTACH=full]591550[/ATTACH][ATTACH=full]591551[/ATTACH][ATTACH=full]591552[/ATTACH]</p><p><br /></p><p><br /></p><p>Thanks.[/QUOTE]</p><p><br /></p>

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