SKALA RETKOSTI STAROG NOVCA

(The Sheldon/Breen Rarity Scale)


R-8- Estimated 1 known- Unique
R-7- (High) Estimated 2 or 3 known- Excessively Rare
R-7- (Low) Estimated 4 to 12 known- Extremely Rare
R-6- Estimated 13 to 30 known- Very Rare
R-5- Estimated 31 to 75 known- Rare
R-4- Estimated 76 to 200 known- Very Scarce
R-3- Estimated 201 to 500 known- Scarce
R-2- Estimated 501 to 1250 known- Not Common
R-1- Estimated 1,250 or more known- Common