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<p>[QUOTE=&quot;wlwhittier, post: 1679823, member: 18320&quot;]<b>1948 English George VI penny: glued reverse</b></p><p><br /></p><p>[ATTACH]251417.vB[/ATTACH][ATTACH]251418.vB[/ATTACH]</p><p><br /></p><p><b>&quot;I also have a&nbsp; couple older British pennies that were sloppily glued&nbsp; into an album at one time, and&nbsp; still bear the remnants of that adhesive&nbsp; caked on the reverse...great&nbsp; experimental material which, even if&nbsp; completely destroyed in the process (not&nbsp; likely) would be a zero loss.&quot;</b></p><p><br /></p><p><br /></p><p>Quoted meself, there...hope that&#039;s OK.</p><p><br /></p><p>Pics above are one of the two pennies mentioned, after a 4 hour soak in a pretty stiff caustic (sodium hydroxide) bath: no effect apparent on the transparent goop obscuring the reverse.&nbsp; The colors are pretty accurate, the reverse being nearly black.</p><p><br /></p><p>Denatured alcohol will be next, and only long enough to see if softening or other evidence of possible success appears.&nbsp; Acetone follows, if there&#039;s no discernible improvement.&nbsp; At that point I&#039;ll post another reverse pic, and be thinking out loud about what will follow.&nbsp; Heat is another tool; combined with immersion in a bit of bee&#039;s wax, 165F for an hour or so might break the bond &#039;twixt goop and copper.&nbsp; I&#039;d like that.</p><p><br /></p><p>For the record, current weight is 9.4gm</p><p style="text-align: left"><span style="color: #000000"><br /></span></p> <p style="text-align: left"><span style="color: #000000"><br /></span></p><p>[/QUOTE]</p><p><br /></p>

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