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What skills/tools does a TPG grader use to grade coins like this?
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<p>[QUOTE="Cascade, post: 2755503, member: 75984"]A 10x loupe tilting the coin at various angles to a single light source. Then it's a mix of what you do see, in this case the centers and any dings or scuffs that might show up under the toning at the right angle, and extrapolating what you can't see by assumption from what you can. You can forget about any semblance of accurately grading these types of coins by photo though.[/QUOTE]</p><p><br /></p>
[QUOTE="Cascade, post: 2755503, member: 75984"]A 10x loupe tilting the coin at various angles to a single light source. Then it's a mix of what you do see, in this case the centers and any dings or scuffs that might show up under the toning at the right angle, and extrapolating what you can't see by assumption from what you can. You can forget about any semblance of accurately grading these types of coins by photo though.[/QUOTE]
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What skills/tools does a TPG grader use to grade coins like this?
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