"Ratan-600" Radio Telescope 20 Soviet kopek — USSR, 1987
"Ratan-600" Radio Telescope (USSR, 1987), face value 20 Soviet kopek, “Science in USSR” series. Photo, catalogue value, details and photo identification.
- Series
- Science in USSR
- Issue date
- 1987
- Face value
- 20 Soviet kopek
- Colors
- Multicolor
- Print run
- 2,600,000