4th All-Union Society of Philatelists Congress, Moscow 50 Soviet kopek — USSR, 1979
4th All-Union Society of Philatelists Congress, Moscow (USSR, 1979), face value 50 Soviet kopek. Photo, catalogue value, details and photo identification.
- Series
- 4th All-Union Society of Philatelists Congress, Moscow
- Issue date
- 1979
- Face value
- 50 Soviet kopek
- Colors
- Multicolor
- Print run
- 2,000,000
- Michel
- SU 4864