9th International Irrigation Congress, Moscow 6 Russian kopek — USSR, 1975
9th International Irrigation Congress, Moscow (USSR, 1975), face value 6 Russian kopek, “International Congresses, 1975” series. Photo, catalogue value…
- Series
- International Congresses, 1975
- Issue date
- 1975
- Face value
- 6 Russian kopek
- Colors
- Multicolor
- Print run
- 4,300,000
- Yvert
- SU 4150
- Michel
- SU 4363
- Stanley Gibbons
- SU 4402
- Scott
- SU 4330