 |
What: stamp
Type: Czechoslovakia postage 12/20/1957 30h issue=IGY d=radio telescope & observatory unwmk perf=11.5x11.25 State: used Visibility: public Owner: Stan Shebs |
Creation date unknown |
| |
What: stamp
Type: Czechoslovakia postage 12/20/1957 30h issue=IGY d=radio telescope & observatory unwmk perf=11.5x11.25 State: used Visibility: public Owner: Stan Shebs |
Creation date unknown |