 |
What: stamp
Type: Czechoslovakia postage 3/15/1965 30h multi issue=1965 space research d=Minimum Sun-spot Activity - Quiet Sun unwmk perf=11.75x11.25 State: used Visibility: public Owner: Stan Shebs |
Record of changes |
| |
What: stamp
Type: Czechoslovakia postage 3/15/1965 30h multi issue=1965 space research d=Minimum Sun-spot Activity - Quiet Sun unwmk perf=11.75x11.25 State: used Visibility: public Owner: Stan Shebs |
Record of changes |