Orbiting Astronomical Observatory 20 c — Liberia, 1973
Orbiting Astronomical Observatory (Liberia, 1973), face value 20 c, “500th Anniversary of the Birth of Nicholas Copernicus” series. Photo, catalogue value…
- Series
- 500th Anniversary of the Birth of Nicholas Copernicus
- Issue date
- 1973
- Face value
- 20 c
- Colors
- Multicolor
- Yvert
- LR 627
- Michel
- LR 900
- Stanley Gibbons
- LR 1180
- Scott
- LR 657