 |
What: stamp
Type: German Democratic Republic postage 1/24/1968 10pf multi issue=Potsdam Meteorological Observatory 75th d=Aktinometer unwmk State: used Visibility: public Owner: Stan Shebs |
Creation date unknown |
| |
What: stamp
Type: German Democratic Republic postage 1/24/1968 10pf multi issue=Potsdam Meteorological Observatory 75th d=Aktinometer unwmk State: used Visibility: public Owner: Stan Shebs |
Creation date unknown |