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<p>[QUOTE="satootoko, post: 39266, member: 669"]Welcome to the forum Traci.That will take care of any adhesive residue from the tape, but it won't have any effect on the real problem. The reason acetone is recommended for PVC and adhesive removal is that it <i>won't</i> affect the tarnish that, when attractive, some folks call "toning".</p><p><br /></p><p>What happened is that the exposed coin surfaces have chemically intereacted with the atmosphere, resulting in discoloration. The area under the tape was protected from atmospheric chemicals, and remained untarnished.</p><p><br /></p><p>A dip in a solvent (TarnX for example) would remove the tarnish and restore the entire coin to a silvery color, but it would also destroy any luster that still remains. Except in the very highest grades the coin is worth less than $50, and unfortunately, from your description most of its value has probably been destroyed by the tape.</p><p><br /></p><p>For some meaningful opinions on how to deal with the problem, you really need to post a picture.[/QUOTE]</p><p><br /></p>
[QUOTE="satootoko, post: 39266, member: 669"]Welcome to the forum Traci.That will take care of any adhesive residue from the tape, but it won't have any effect on the real problem. The reason acetone is recommended for PVC and adhesive removal is that it [i]won't[/i] affect the tarnish that, when attractive, some folks call "toning". What happened is that the exposed coin surfaces have chemically intereacted with the atmosphere, resulting in discoloration. The area under the tape was protected from atmospheric chemicals, and remained untarnished. A dip in a solvent (TarnX for example) would remove the tarnish and restore the entire coin to a silvery color, but it would also destroy any luster that still remains. Except in the very highest grades the coin is worth less than $50, and unfortunately, from your description most of its value has probably been destroyed by the tape. For some meaningful opinions on how to deal with the problem, you really need to post a picture.[/QUOTE]
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