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<p>[QUOTE="Cringely, post: 2104227, member: 22271"]When we (Dennis Fuoss, Bill Eckberg, Ray Williams and myself) were writing the Grading Guide to Early American Copper Coins <a href="http://www.eacs.org/GradingGuide/GradingGuide.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.eacs.org/GradingGuide/GradingGuide.html" rel="nofollow">http://www.eacs.org/GradingGuide/GradingGuide.html</a> (shameless plug), we had to decide on what grades to illustrate. We looked at thousands of images of colonials, half cents and large cents to chose representative images and the main criteria became, <i>at what step up in grade could you see a difference?</i> If we looked at two different coins that had slightly different numerical grades (<i>e.g.</i>, VG-7 and VG-8), but couldn't see a difference, we ignored the "odd" grade.</p><p>We ended up with P-1, Fr-2, AG-3, G-4, VG-8, F-12, VF-20, VF-30, EF-40, EF-45, AU-50, AU-55, MS-60, MS-63, MS-65 (and a single MS-67).</p><p>Grades intermediate to these (at least for early copper) were hard to distinguish between the next lower and upper grades. I can see the inclusion of additional MS grades (especially MS-64), but for me, when I grade coins, I'll stick with the ones I just listed. As far as the upper end of MS (68-70), my pockets aren't big enough to carry around the microscope needed to distinguish between them.[/QUOTE]</p><p><br /></p>
[QUOTE="Cringely, post: 2104227, member: 22271"]When we (Dennis Fuoss, Bill Eckberg, Ray Williams and myself) were writing the Grading Guide to Early American Copper Coins [url]http://www.eacs.org/GradingGuide/GradingGuide.html[/url] (shameless plug), we had to decide on what grades to illustrate. We looked at thousands of images of colonials, half cents and large cents to chose representative images and the main criteria became, [I]at what step up in grade could you see a difference?[/I] If we looked at two different coins that had slightly different numerical grades ([I]e.g.[/I], VG-7 and VG-8), but couldn't see a difference, we ignored the "odd" grade. We ended up with P-1, Fr-2, AG-3, G-4, VG-8, F-12, VF-20, VF-30, EF-40, EF-45, AU-50, AU-55, MS-60, MS-63, MS-65 (and a single MS-67). Grades intermediate to these (at least for early copper) were hard to distinguish between the next lower and upper grades. I can see the inclusion of additional MS grades (especially MS-64), but for me, when I grade coins, I'll stick with the ones I just listed. As far as the upper end of MS (68-70), my pockets aren't big enough to carry around the microscope needed to distinguish between them.[/QUOTE]
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The Sheldon 70 point grading scale
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