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<p>[QUOTE=&quot;Conder101, post: 1564706, member: 66&quot;]N-2 R-1 refers to the die variety and the rarity of that variety.&nbsp; There are 7 die varieties in 1834 and they are referenced by Newcomb numbers or N numbers.&nbsp; N-1 and 2 are both small 8 and common.&nbsp; N-3 - 7 are all large 8.&nbsp; N-5 is rare and expensive, especially in better grade and/or problem free.&nbsp; N-7 is a proof only variety and there are only 8 specimens known.&nbsp; The last one found was a circulated piece that only graded VG-8.</p><p><br /></p><p>Rarity, the R number, is the rarity based on the Sheldon Rarity scale.&nbsp; The scale runs from R-8 (Extremely Rare) with 1 to 3 pieces known to exist down to R-1- which is Very Common with over 1500 pieces estimated to exist.&nbsp; The 34 N-5 is an R-5+ coin with 31 to 45 coins known.&nbsp; The 34 N-7 is an R-7 or 7 - 9 pieces known.&nbsp; The scale runs</p><p><br /></p><p>R-8&nbsp; 1 - 3&nbsp;&nbsp; Known&nbsp; Unique or nearly so</p><p>R-7&nbsp; 4 - 12&nbsp;&nbsp; Known&nbsp; Extremely rare</p><p>R-6&nbsp; 13 - 30&nbsp;&nbsp; Known&nbsp; Very Rare</p><p>R-5&nbsp; 31 - 75&nbsp;&nbsp; Known&nbsp; Rare</p><p>R-4&nbsp; 76 - 200&nbsp;&nbsp; Estimated&nbsp; Scarce&nbsp; (Notice the change from Known to Estimated)</p><p>R-3&nbsp; 201 - 600 Estimated&nbsp; Not so Common</p><p>R-2&nbsp; 601 - 1200&nbsp; Estimated&nbsp; Common</p><p>R-1&nbsp; 1201 - over 1500&nbsp; Estimated&nbsp; Very Common</p><p>A + or - are used to indicate if the population is in the upper (rarer) or lower (more common) third of the range.&nbsp; The 34 N-5 is in the upper third of the R-5 range or R-5+</p><p><br /></p><p>The exact numbers in the ranges of R-2 and R-1 are a bit questionable and I have seen different authors use different numbers.&nbsp; The higher end of R-2 at 601 is solid though.[/QUOTE]</p><p><br /></p>

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