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GTG: Guess the Grade! US Trade Dollar
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<p>[QUOTE="rlm's cents, post: 2043802, member: 7957"]I fail to see why that is not just what I have been saying although I will add that none of the above actions would produce scratches remotely similar to either the OP's coin or those on Campbell's coin. Neither emery nor rouge is 1/10th the size of those scratches. Nor would it be possible for an emery stick, a cotton swab, nor the polishing wheel to produce those circles on Campbell's coin even if the rouge or emery were rough enough to produce scratches that size. For instance jeweler's rouge has a grit of 3 µ or usually less.[/QUOTE]</p><p><br /></p>
[QUOTE="rlm's cents, post: 2043802, member: 7957"]I fail to see why that is not just what I have been saying although I will add that none of the above actions would produce scratches remotely similar to either the OP's coin or those on Campbell's coin. Neither emery nor rouge is 1/10th the size of those scratches. Nor would it be possible for an emery stick, a cotton swab, nor the polishing wheel to produce those circles on Campbell's coin even if the rouge or emery were rough enough to produce scratches that size. For instance jeweler's rouge has a grit of 3 µ or usually less.[/QUOTE]
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