The rarity scale ranges from R-1 (very common) to R-10 (unique)
R-1............... More than 5,000
R-2............... 2,000 - 5,000
R-3............... 500 - 2,000
R-4............... 200 - 500
R-5............... 75 - 200
R-6............... 20 - 75
R-7............... 10 - 20
R-8............... 5 - 10
R-9............... 2 - 4
R-10.............Unique
Rarity scales are approximates. This summer a Wilmington, Del., dealer had two examples in stock of S.T. Martin's Oh200D-8a token, which Fuld catalogs as unique. The dealer noted that the $275-$300 tokens were really R-9's (2-4 known).
