Coin Terminology and Glossary
The Coin Collecting Dictionary includes 546 titles used widely in the coin
collectors community, and has received over 873445 search inquires.
- Selected title:
R# (R1-R8)
- Explanation: Rarity scale: R1 most common; R8 least common. The often used Sheldon scale is:
- R8 = 1-3 known (estimated), 'Unique or Nearly Unique'
- R7 = 4-12 known, 'Extremely Rare'
- R6 = 13-30 known, 'Very Rare'
- R5 = 31-75 known, 'Rare'
- R4 = 76-200 known, 'Very Scarce'
- R3 = 201-500 known, 'Scarce'
- R2 = 501-1250 known, 'Uncommon'
- R1 = over 1251 known, 'Common'
Most popular coin titles