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<p>[QUOTE=&quot;Boss, post: 677665, member: 15110&quot;]Give us more up close photos.&nbsp; I have found that what it looks that you have on this coin comes off with a rose thorn and several weeks soak in mineral oil in a plastic cup.&nbsp; Use a rose thorn to gentlely pick off.&nbsp; Remove the oil with acetone.&nbsp; I have written extensively on this subject myself with instructions (do a search), but we would need better photos to see if that is appropriate.&nbsp; Then use Verdigone (maybe 50% diulted) in glass cup (Verdigone comes with good instructions).&nbsp; You may have porosity under that green verdigris and putting it in a sulfur flip or album would help to fill in the porosity with copper sulfur film (toning).&nbsp; Get us better photos please.&nbsp; Good post[/QUOTE]</p><p><br /></p>

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