International geophysical year

Fischer 916-917 | Michel 1061-1062 | Scott 821-822 | Year of issue 1958 | People's Republic of Poland

916
917
Stylised polar bear
Intercontinental rocket orbit and satellite

Translations

Międzynarodowy rok geofizyczny 1957-1958 = International geophysical year 1957-1958.

Resources

International Geophysical Year
Geophysics
Polar bear
Rocket
Satellite
Planetary orbit

First Day Cover


Fischer 916-917 FDC