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<p>[QUOTE=&quot;Midas, post: 70044, member: 2761&quot;]You can do it this way.&nbsp; Take 10 coins of the <u>same</u> coin from the <u>same</u> grade from each of the TPG&#039;s.&nbsp; Measure/Scan these coins so that you establish data whereby all 40 (PCGS, NGC, ANACS, ICG for instance) coins are AVERAGED out into <b>ONE</b> data base.&nbsp; You can even throw out the high&#039;s and low&#039;s (i.e., Olympic scoring per say) to really narrow in on the statistical data.&nbsp; This will further keep the standard of deviation to a minimum when analysing this statistical &quot;norm&quot;.</p><p><br /></p><p>All of this data is then formulated to a &quot;given&quot; that all submissions are compared against.&nbsp; The greater the differance between the submitted coin to this given, the lesser the grade.[/QUOTE]</p><p><br /></p>

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