25th Anniversary of Soviet Antarctic Observatory "Mirny" 4 Russian kopek — USSR, 1981
25th Anniversary of Soviet Antarctic Observatory "Mirny" (USSR, 1981), face value 4 Russian kopek, “25th Anniversary of Soviet Antarctic Research” series…
- Series
- 25th Anniversary of Soviet Antarctic Research
- Issue date
- 1981
- Face value
- 4 Russian kopek
- Colors
- Multicolor
- Print run
- 6,400,000
- Yvert
- SU 4766
- Michel
- SU 5028
- Stanley Gibbons
- SU 5083
- Scott
- SU 4897