 |
What: stamp
Type: United States postage 8/30/1948 3c bl d=Palomar Mountain Observatory unwmk perf=10.5x11 State: used Visibility: public Owner: Stan Shebs |
Creation date unknown |
| |
What: stamp
Type: United States postage 8/30/1948 3c bl d=Palomar Mountain Observatory unwmk perf=10.5x11 State: used Visibility: public Owner: Stan Shebs |
Creation date unknown |