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Message:: [QUOTE="GDJMSP, post: 26131, member: 112"]Here's some examples of some of the better known rarity scales - The Sheldon Rarity Scale - R-1 CommonR-2 Not So CommonR-3 ScarceR-4 Very Scarce (population est at 76-200)    R-5 Rare (31-75)R-6 Very Rare (13-30)R-7 Extremely rare (4-12)R-8 Unique or Nearly So (1,2 or 3) The Universal Rarity Scale - URS-0 None knownURS-1 1 known, uniqueURS-2 2 knownURS-3 3 or 4 knownURS-4 5 to 8 knownURS-5 9 to 16 knownURS-6 17 to 32 knownURS-7 33 to 64 knownURS-8 65 to 125 knownURS-9 126 to 250 knownURS-10 251 to 500 known    URS-11 501 to 1,000 knownURS-12 1,001 to 2,000 knownURS-13 2,001 to 4,000 knownURS-14 4,001 to 8,000 knownURS-15 8,001 to 16,000 knownURS-16 16,001 to 32,000 knownURS-17 32,001 to 65,000 knownURS-18 65,001 to 125,000 knownURS-19 125,001 to 250,000 knownURS-20 250,001 to 500,000 known GEORGE FULD RARITY SCALE FOR TOKEN COINS RARITY    ESTIMATED NUMBER IN EXISTENCER - 1    Greater than 5000 (Relatively Common)R - 2    2001 to 5000R - 3    501 to 2000R - 4    201 to 500R - 5    76 to 200R - 6    21 to 75R - 7    11 to 20R - 8    5 to 10R - 9    2 to 4 R - 10    1 Only This list of rarity scales goes on almost forever. For just about every nation and every time period - there is a rarity scale for the coinage. But the first two are the ones most often used for US coinage.[/QUOTE]