The 150th Anniversary of Herman von Helmholtz' Birth - Scientist 1971

Now showing: Berlin - Postage stamps - 1971 - The 150th Anniversary of Herman von Helmholtz' Birth - Scientist - 1 stamps.

1971 The 150th Anniversary of Herman von Helmholtz' Birth - Scientist

27. August WM: None Perforation: 14

[The 150th Anniversary of Herman von Helmholtz' Birth - Scientist, type KG]
No. Type D Mint Condition Unused Used Letter/FDC
398 KG 25Pfg 0.52 - 0.52 - USD  Info
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