Russia. Pyotr Chirvinsky – Russian and Soviet geologist. Illustrated Envelop with special cancellation

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Pyotr Chirvinsky

Russian and Soviet geologist

Illustrated Envelop with special cancellation

Description Pyotr Nikolaevich Chirvinsky (1880-1955) – Russian and Soviet geologist, petrograph, doctor of geological and mineralogical sciences (1919), professor (since 1909), dean of the mining department (1921-1929) of the Don Polytechnic Institute, head of the department of petrography (1943-1953) ) of the Perm University.
Type Illustrated Envelop with special cancellation “100th Birthday Anniversary”,
Published by/for: Ministry of Communications, 1980
Condition: Excellent
Edges/Corners Fine
Used/Unused Canceled

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