12th International Botanical Congress, 1975, Leningrad 6 Soviet kopek — USSR, 1975
12th International Botanical Congress, 1975, Leningrad (USSR, 1975), face value 6 Soviet kopek, “International Congresses, 1975” series. Photo, catalogue…
- Series
- International Congresses, 1975
- Issue date
- 1975
- Face value
- 6 Soviet kopek
- Colors
- Multicolor
- Print run
- 5,700,000
- Yvert
- SU 4155
- Michel
- SU 4368
- Stanley Gibbons
- SU 4407
- Scott
- SU 4335