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<p>[QUOTE=&quot;physics-fan3.14, post: 747355, member: 19165&quot;]Die polish lines most certainly do go in a number of different directions. They are just brush lines from a mint worker - depending on how enthusiastic the scrubbing was, you can get any number of a variety of patterns. I&#039;ve seen curved lines, straight lines, crisscross lines, heavy lines, light lines, circular lines, and any combination of any of the above. </p><p><br /></p><p>And I do find the range of grade estimates interesting. With exactly the same set of pictures, the members of the NGC chat board came much closer to the accurate grade, with a couple of them pegging my estimate of a split grade 64.7/66 dead on.[/QUOTE]</p><p><br /></p>

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