Experiment "Sirena" Cultivation of Crystal 15 Soviet kopek — USSR, 1978
Experiment "Sirena" Cultivation of Crystal (USSR, 1978), face value 15 Soviet kopek, “Interkosmos - Soviet-Polish Space Flight” series. Photo, catalogue…
- Series
- Interkosmos - Soviet-Polish Space Flight
- Issue date
- 1978
- Face value
- 15 Soviet kopek
- Colors
- Multicolor
- Print run
- 5,400,000
- Yvert
- SU 4495
- Michel
- SU 4736
- Stanley Gibbons
- SU 4778
- Scott
- SU 4671