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<p>[QUOTE=&quot;John Anthony, post: 1602756, member: 42773&quot;]I was looking at two pieces, same date, one PR69DCAM, another PR70DCAM, both PCGS. For the life of me, I could not discern a difference between the two coins. But this thread isn&#039;t about my mediocre grading skills. It&#039;s about a logical fallacy.</p><p><br /></p><p>It occurred to me that if you say a coin is perfect, that is the same as saying that no other coin of its kind exists with better features. But you can&#039;t possibly make such an assertion if you haven&#039;t examined <u>every single </u>coin of its kind, which is impossible. </p><p><br /></p><p>Therefore, a grade of 70 is impossible, unless you redefine 70 to mean perfect unless proven otherwise, which is to say, 69.[/QUOTE]</p><p><br /></p>

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