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<p>[QUOTE=&quot;Kipling79, post: 6266265, member: 103928&quot;]I obtained two large cents last month (1855 and 1857) and since then, one has taken on a dramatic metallic blue tone on the rim (pictured below).</p><p><br /></p><p>Edit: The blue cent was always darker than the pink cent beside it, in fact, those previous darker areas correspond exactly with the now-blue areas.</p><p><br /></p><p>Both were mounted identically in an old frame, from which I removed them. Both were handled identically in an attempt to remove some adhesive (soaking in water for a week, then a short stint in acetone). And both have been in a paper envelope since then (for about 1 week).</p><p><br /></p><p>I am shocked by the color change on the 47. I am guessing that the removal of the adhesive (or other substance) and the sudden environmental change allowed the &quot;fresh&quot; copper to react. But who knows? My main question is whether this unusual color would be considered artificial toning by grading companies?</p><p><br /></p><p>[ATTACH=full]1248071[/ATTACH][/QUOTE]</p><p><br /></p>

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