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<p>[QUOTE="GDJMSP, post: 341746, member: 112"]Well, they aren't carbon spots per se - they are copper spots. Some may say semantics, but I don't. Carbon spots typically appear on copper coinage, sometimes silver, and are quite dark, black even. Copper spots are more reddish or brown in color and typically only appear on gold coinage.</p><p><br /></p><p>As I said earlier, I don't think the spots on this coin are the result of either. I think the spots on this coin are the result of the coin being contaminated with some liquid at some time in the past. The removal of this residue accounts for the lack of luster IMO.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 341746, member: 112"]Well, they aren't carbon spots per se - they are copper spots. Some may say semantics, but I don't. Carbon spots typically appear on copper coinage, sometimes silver, and are quite dark, black even. Copper spots are more reddish or brown in color and typically only appear on gold coinage. As I said earlier, I don't think the spots on this coin are the result of either. I think the spots on this coin are the result of the coin being contaminated with some liquid at some time in the past. The removal of this residue accounts for the lack of luster IMO.[/QUOTE]
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