American Space Probe Mariner 6, Planet Mars 25 ст — Bulgaria, 1977
American Space Probe Mariner 6, Planet Mars (Bulgaria, 1977), face value 25 ст, “20 Years artificial Earth Satellites” series. Photo, catalogue value…
- Series
- 20 Years artificial Earth Satellites
- Issue date
- 1977
- Face value
- 25 ст
- Colors
- Multicolor
- Print run
- 250,000