|75th anniversary of birth of Academic Sergey Korolyov.
Unused Illustrated Envelop
|Envelop Description||Sergei Pavlovich Korolev 12 January 1907 (OS 30 December 1906) – 14 January 1966), was a lead Soviet rocket engineer and spacecraft designer during the Space Race between the United States and the Soviet Union in the 1950s and 1960s. He is regarded by many as the father of practical astronautics. He was involved in the development of the R-7 Rocket, Sputnik 1, and launching Laika and the first human being, Yuri Gagarin, into space|
|Type||Unused Illustrated Envelop|
|Published by/for:||Ministry of Communications, 1981|