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<p>[QUOTE=&quot;longnine009, post: 21407404, member: 1886&quot;]Last I heard TPGs give a net grade and leave it at that.&nbsp; If they still do it that way&nbsp; how do&nbsp; we know our grading is in sync with theirs? What if, for example, we give too much weight to a&nbsp;&nbsp; coin&#039;s surface and not enough to strike and TPGs are doing the same in&nbsp; reverse&nbsp; and we get the same net grade. How do we even know it&#039;s happening?[/QUOTE]</p><p><br /></p>

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