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<p>[QUOTE=&quot;GDJMSP, post: 1173706, member: 112&quot;]This is the Sheldon rarity scale - </p><p><br /></p><p>R-1 Common</p><p>R-2 Not So Common</p><p>R-3 Scarce</p><p>R-4 Very Scarce (population est at 76-200)&nbsp; &nbsp; </p><p>R-5 Rare (31-75)</p><p>R-6 Very Rare (13-30)</p><p>R-7 Extremely rare (4-12)</p><p>R-8 Unique or Nearly So (1,2 or 3)</p><p><br /></p><p>I actually prefer this scale when talking about US coins as it puts a better perspective on it I think - </p><p><br /></p><p>The Universal Rarity Scale by Q. David Bowers</p><p>URS-0 None known</p><p>URS-1 1 known, unique</p><p>URS-2 2 known</p><p>URS-3 3 or 4 known</p><p>URS-4 5 to 8 known</p><p>URS-5 9 to 16 known</p><p>URS-6 17 to 32 known</p><p>URS-7 33 to 64 known</p><p>URS-8 65 to 125 known</p><p>URS-9 126 to 250 known</p><p>URS-10 251 to 500 known&nbsp; &nbsp; </p><p><br /></p><p>URS-11 501 to 1,000 known</p><p>URS-12 1,001 to 2,000 known</p><p>URS-13 2,001 to 4,000 known</p><p>URS-14 4,001 to 8,000 known</p><p>URS-15 8,001 to 16,000 known</p><p>URS-16 16,001 to 32,000 known</p><p>URS-17 32,001 to 65,000 known</p><p>URS-18 65,001 to 125,000 known</p><p>URS-19 125,001 to 250,000 known</p><p>URS-20 250,001 to 500,000 known</p><p><br /></p><p>Now that said there are many other rarity scales as well. And people use them incorrectly, sometimes even in a misleading manner when they are trying to describe a coin that is for sale. For it is all too easy to claim a given coin is an R3 or an R5, but unless they state specifically which rarity scale they are using, then you really don&#039;t know how scarce the coin may, or may not be. In looking at the two scales above, that becomes obvious.[/QUOTE]</p><p><br /></p>

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