International Congress of Mathematicians, 1966 6 Russian kopek — USSR, 1966
International Congress of Mathematicians, 1966 (USSR, 1966), face value 6 Russian kopek, “International Congresses, 1966” series. Photo, catalogue value…
- Series
- International Congresses, 1966
- Issue date
- 1966
- Face value
- 6 Russian kopek
- Colors
- Multicolor
- Print run
- 4,000,000
- Yvert
- SU 3123
- Michel
- SU 3246
- Stanley Gibbons
- SU 3244
- Scott
- SU 3151