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<p>[QUOTE="Leadfoot, post: 103909, member: 2972"]You and Speedy are both incorrect, and I should point out the coin in question is a 66 not a 67.</p><p><br /></p><p>Here are the statistics:</p><p><br /></p><p><img src="http://www.pbase.com/mike_rementer/image/54722372/original.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>For the coin in question, an MS 66, NGC graded 28.232% of the coins MS 66, whereas PCGS only graded 21.163% of their coins MS 66. </p><p>Again, assuming NGC and PCGS get an even distribution of coins, NGC is looser on this coin in particular.</p><p><br /></p><p>Overall, the numbers are as I described in my original statistics, and are shown with more precision in the above table. Specifically, on average, NGC grades 0.184 points higher. Again, on average NGC is looser.</p><p><br /></p><p>It is interesting to note that for the next grade higher, MS 67, that PCGS actually grades a higher percentage of their coins in this grade than NGC. Had my coin been a 67, then your and Speedy's observations would have been correct, and it could be argued that PCGS is in fact looser in their grade of 67 than NGC.</p><p><br /></p><p>In summary, you can argue that my premise (an even distribution of coins between services) is incorrect, but you cannot argue that my conclusions are incorrect. NGC is looser on both the coin in question, an MS 66, as well as the coin overall in all MS grades.</p><p><br /></p><p>Hope this helps...Mike[/QUOTE]</p><p><br /></p>
[QUOTE="Leadfoot, post: 103909, member: 2972"]You and Speedy are both incorrect, and I should point out the coin in question is a 66 not a 67. Here are the statistics: [img]http://www.pbase.com/mike_rementer/image/54722372/original.jpg[/img] For the coin in question, an MS 66, NGC graded 28.232% of the coins MS 66, whereas PCGS only graded 21.163% of their coins MS 66. Again, assuming NGC and PCGS get an even distribution of coins, NGC is looser on this coin in particular. Overall, the numbers are as I described in my original statistics, and are shown with more precision in the above table. Specifically, on average, NGC grades 0.184 points higher. Again, on average NGC is looser. It is interesting to note that for the next grade higher, MS 67, that PCGS actually grades a higher percentage of their coins in this grade than NGC. Had my coin been a 67, then your and Speedy's observations would have been correct, and it could be argued that PCGS is in fact looser in their grade of 67 than NGC. In summary, you can argue that my premise (an even distribution of coins between services) is incorrect, but you cannot argue that my conclusions are incorrect. NGC is looser on both the coin in question, an MS 66, as well as the coin overall in all MS grades. Hope this helps...Mike[/QUOTE]
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hone your grading skills on this Lincoln
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