The Soviet Union 1963 CPA 2833 stamp (Members of the Russian Academy of Science. Vladimir Obruchev (1863–1956), a Russian and Soviet geologist)

Autor:

Post of the Soviet Union (S. F. Sokolov).

Credit:

http://skandinav.eu/page69.htm

Krótki link:

https://plwiki.pl/b/10eaed

źródło:

Wikimedia Commons

Wymiary:

340 x 482 Pixel (48415 Bytes)

Opis:

Members of the Russian Academy of Science. Vladimir Obruchev (1863–1956), a Russian and Soviet geologist who specialized in the study of Siberia and Central Asia. He was also one of the first Russian science fiction authors.

Licencja:

Public domain