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<p>[QUOTE=&quot;GDJMSP, post: 1271752, member: 112&quot;]There have been 2 similar&nbsp; &quot;studies&quot; done before, 1 by Coin World and 1 by the PNG. Of course neither study had any conclusive evidence and neither proved anything except that all the TPGs use different grading standards - which everybody already knew.</p><p><br /></p><p>Bottom line, you can&#039;t compare the grading abilities of companies to one another when they each use different grading standards. Especially when you don&#039;t even know what those grading standards are.</p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p>Actually AU grades, and higher, are quite common with CBH&#039;s. As part of a team on the NGC forum I did a study on just how common it was almost 10 years ago. Even back then there were 21,000 CBH&#039;s graded AU and above by NGC and PCGS, with thousands of those being MS. I still have the Excel spread sheet I did on it back then if you like to see it.[/QUOTE]</p><p><br /></p>

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