 |
What: stamp
Type: Berlin postage 8/27/1971 25pf bl&multi issue=Hermann von Helmholtz 150th d=Hermann von Helmholtz unwmk State: unused Visibility: public Owner: Stan Shebs |
Creation date unknown |
| |
What: stamp
Type: Berlin postage 8/27/1971 25pf bl&multi issue=Hermann von Helmholtz 150th d=Hermann von Helmholtz unwmk State: unused Visibility: public Owner: Stan Shebs |
Creation date unknown |