 |
What: stamp
Type: German Democratic Republic postage 7/10/1950 1pf gray dt=scientists (1950) d=Leonhard Euler (1950) wmk=mult flowers State: used Visibility: public Owner: Stan Shebs |
Creation date unknown |
| |
What: stamp
Type: German Democratic Republic postage 7/10/1950 1pf gray dt=scientists (1950) d=Leonhard Euler (1950) wmk=mult flowers State: used Visibility: public Owner: Stan Shebs |
Creation date unknown |