| Acronym/Abbreviation |
Meaning(s) Meanings Help ? |
| R1 |
- Rarity 1 (coins, Sheldon Rarity Scale - common)

- Region 1 (movies, Region Codes - USA, Canada)
|
| R2 |
- Rarity 2 (coins, Sheldon Rarity Scale - uncommon)

- Region 2 (movies, Region Codes - Japan, Europe, South Africa, Middle East, Greenland)
|
| R3 |
- Rarity 3 (coins, Sheldon Rarity Scale - scarce)

- Region 3 (movies, Region Codes - South Korea, Taiwan, Hong Kong, Parts of South East Asia)
|
| R4 |
- Rarity 4 (coins, Sheldon Rarity Scale - very scarce)

- Region 4 (movies, Region Codes - Australia, New Zealand, Latin America, Mexico)
|
| R5 |
- Rarity 5 (coins, Sheldon Rarity Scale - rare)

- Region 5 (movies, Region Codes - Eastern Europe, Russia, India, Africa)
|
| R6 |
- Rarity 6 (coins, Sheldon Rarity Scale - very rare)

- Region 6 (movies, Region Codes - China)
|
| R7 |
- Rarity 7 (coins, Sheldon Rarity Scale - extremely rare)
|
| R8 |
- Rarity 8 (coins, Sheldon Rarity Scale - unique or nearly unique)

- Region 8 (movies, Region Codes - Cruise Ships, Airlines)
|