Colnect-4490-064-Radio-telescope-and-observatory.jpg
Source: Colnect
Issued by: Czechoslovakia
Function: postage
Date: 12/20/1957
Issue: IGY
Denom: 30h
Color:
Design: radio telescope & observatory
Watermark: unwmk
Perf: 11.5x11.25
Catalog value:

In collections: used (Stan Shebs)

External links:
Colnect 134631..ophysical_Year


Record of changes