20th International Congress of Pure and Applied Chemistry 4 Soviet kopek — USSR, 1965
20th International Congress of Pure and Applied Chemistry (USSR, 1965), face value 4 Soviet kopek. Photo, catalogue value, details and photo identification.
- Series
- 20th International Congress of Pure and Applied Chemistry
- Issue date
- 1965
- Face value
- 4 Soviet kopek
- Colors
- Multicolor
- Print run
- 4,000,000
- Yvert
- SU 2971
- Michel
- SU 3079
- Stanley Gibbons
- SU 3147
- Scott
- SU 3056