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<p>[QUOTE=&quot;physics-fan3.14, post: 2485795, member: 19165&quot;]Yes, he did. The URS scale has too many levels of detail present. There are way too many useless levels. I can&#039;t remember what they all mean - there are too many to keep track of. </p><p><br /></p><p>I personally use the scale used by Overton for Bust Halves (which, I believe, is a modified Sheldon scale). There are only 8 levels, which quickly separate several hundred known examples from less common coins. Honestly, any issue with more than a couple of hundred examples is not rare (and doesn&#039;t really benefit from tracking rarity). </p><p><br /></p><p>Many different series and collecting groups have their own rarity scales. I&#039;ve found that many collectors use the one for the series they collect, because that is the language that their peers use.[/QUOTE]</p><p><br /></p>

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