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<p>[QUOTE=&quot;Conder101, post: 3426188, member: 66&quot;]The problem with the Coin World study was they sent each coin to each service ONE time.&nbsp; No measure of consistency in grading or of the possibility of grading changing over time.&nbsp; Just a one shot for each service.&nbsp; They did find greater consistency between services for the MS coins, but the circulated coins were all over the map from one service to another.</p><p><br /></p><p>One interesting out come though was that if you took the range of grades assigned for each coin and determined and &quot;average&quot; grade from that range, there was one company whose grade that hit that average on every single coin.</p><p><br /></p><p>Accugrade</p><p><br /></p><p><br /></p><p>This is true, and the EAC community where it arose tried for years to tweak it and make it work. Finally scrapping it as unworkable.&nbsp; A few years later the ANA saddled the rest of the numismatic community with it.</p><p><br /></p><p><br /></p><p>And since the forgeries are getting so good they now need the specialist collectors to identify the fakes that they have slabbed as genuine.[/QUOTE]</p><p><br /></p>

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