Impaired Proof - Coin Community Forum

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Author	Replies: 6 / Views: 1,615
seal006 Pillar of the Community United States 1915 Posts	Posted 06/24/2011 8:25 pm How much value is lost on a Lincoln Proof that is impaired? I have a 1979-S Type II that is BU and stunning except for the big carbon spot just right of Lincoln's face. Report this Post to the Staff

desertgem Pillar of the Community United States 860 Posts	Posted 06/24/2011 9:45 pm Generally , I consider an impaired proof as one that has been circulated and thus less than MS-60. Yours might be described as MS-60, environmentally damaged or DETAILS MS-60 by some. And the value takes a big wack unless it is a rarer date. For the type II, I have no idea of how much loss. Photo might help. Edited by desertgem 06/24/2011 9:46 pm Report this Post to the Staff
seal006 Pillar of the Community United States 1915 Posts	Posted 06/24/2011 10:16 pm Here is a photo. Report this Post to the Staff
smokeriderdon Pillar of the Community United States 3755 Posts	Posted 06/24/2011 10:52 pm Yeah, 60 details at best. There are also scattered smaller black spots. Unfortunate because thats not a bad penny otherwise. Report this Post to the Staff
desertgem Pillar of the Community United States 860 Posts	Posted 06/24/2011 11:17 pm Yeah, that's bad, and to be blunt truthful, I think it would be hard to sell even at a fraction of the value. Sorry as much of the coin looks fairly good. Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21788 Posts	Posted 06/25/2011 12:07 am Those spots are often called 'carbon spots', but they mostly have a large component of copper sulphide in their coloring. Not much you can do about that. Has anyone tried to help a spotted impaired proof with Verdicare? I would be reluctant to try anything else. Vinegar may help on a copper coin with such discoloring in perhaps fine condition, but I would never use vinegar on a proof, discolored on not. Report this Post to the Staff
amida17 Pillar of the Community United States 4897 Posts	Posted 06/25/2011 12:22 am Just be happy it was only a $4 coin to start. Report this Post to the Staff
	Replies: 6 / Views: 1,615

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