Otto Lilienthal and Hermann Oberth 50 Gs — Paraguay, 1969
Otto Lilienthal and Hermann Oberth (Paraguay, 1969), face value 50 Gs, “Advances in Space Research” series. Photo, catalogue value, details and photo…
- Series
- Advances in Space Research
- Issue date
- 1969
- Face value
- 50 Gs
- Colors
- Multicolor
- Yvert
- PY PA513
- Michel
- PY 1909
- Scott
- PY 1152