World Electrotechnical Congress, Moscow 6 Soviet kopek — USSR, 1977
World Electrotechnical Congress, Moscow (USSR, 1977), face value 6 Soviet kopek, “International Congresses, 1977” series. Photo, catalogue value, details…
- Series
- International Congresses, 1977
- Issue date
- 1977
- Face value
- 6 Soviet kopek
- Colors
- Multicolor
- Print run
- 3,600,000
- Yvert
- SU 4362
- Michel
- SU 4588
- Stanley Gibbons
- SU 4627
- Scott
- SU 4561