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Message:: [QUOTE="calcol, post: 3446262, member: 77639"]My favorite adjective for rarity is "exceedingly rare", often seen in auction catalogs.  Can a coin be too rare?  Only if it's priced accordingly and I really want it.  <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie12" alt="o_O" unselectable="on" unselectable="on" /> The most objective way to describe rarity is with a published rarity number.  Unfortunately, there's a bunch of these rarity scales.  See below. Cal--------------------------------------------------------  Sheldon scale:   U - Unique  R8 - 2 - 3 known  R7 - 4 - 12 known  R6 - 13 - 30 known  R5 - 31 - 75 known  R4 - 76 - 200 known  R3 - 201 - 500 known  R2 - 501 - 1250 known  R1 - more than 1250 known   Scale used in U.S. Pattern Coins, 10th ed. and some earlier, by J. H. Judd:  It's the same as the Sheldon scale but with high and low divisions of R7 and R6.   U - Unique  R8 - 2 - 3 known  High R7 - 4 - 6 known  Low R7 - 7 - 12 known  High R6 - 13 - 20 known  Low R6 - 21 - 30 known  R5 - 31 - 75 known  R4 - 76 - 200 known  R3 - 201 - 500 known  R2 - 501 - 1250 known  R1 - more than 1250 known   Scale used in American Half Cents by Cohen.  Based, in part, on the Sheldon scale.   R8 - fewer than 4 known  R7 - 4 - 12 known  R6 - 13 - 30 known  R5 - 31 - 75 known  R4 - 76 - 200 known  R3 - Scarce  R2 - Not so common  R1 - Common Scale used in English Silver Coins   R7 - only 1 or 2 examples knownR6 - 3 - 4 examples knownR5 - 5 - 10 examples knownR4 - 11 - 20 examples knownR3 - Extremely RareR2 - Very RareR - RareS - ScarceN - Normal, neither scarce nor commonC - CommonC2 - Very CommonC3 - Extremely Common[/QUOTE]

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