3rd International Congress of Protozoologists, 1969 6 Soviet kopek — USSR, 1969
3rd International Congress of Protozoologists, 1969 (USSR, 1969), face value 6 Soviet kopek, “International Congresses” series. Photo, catalogue value…
- Series
- International Congresses
- Issue date
- 1969
- Face value
- 6 Soviet kopek
- Colors
- Multicolor
- Print run
- 2,300,000
- Yvert
- SU 3495
- Michel
- SU 3631
- Stanley Gibbons
- SU 3694
- Scott
- SU 3605