9th World Congress of Trade Unions, Prague 6 Soviet kopek — USSR, 1978
9th World Congress of Trade Unions, Prague (USSR, 1978), face value 6 Soviet kopek. Photo, catalogue value, details and photo identification.
- Series
- 9th World Congress of Trade Unions, Prague
- Issue date
- 1978
- Face value
- 6 Soviet kopek
- Colors
- Multicolor
- Print run
- 4,000,000
- Yvert
- SU 4472
- Michel
- SU 4714
- Stanley Gibbons
- SU 4756
- Scott
- SU 4656