3145970 марка Циалковский 1957 КОСМОС штамп

Конверт в хорошем коллекционном состоянии. Ниже можно посмотреть краткое описание на английском 1960 RUSSIAN SPACE COVER w/ STAMP postmark 3 Sputnik Old original POSTAL ENVELOPE w/ STAMP 1960 year. Approx.Size: 6.2X4.3 inches (15.8X11.2 cm) Condition: EXCELLENT. Tsialkovsky on stamp. Konstantin Eduardovich Tsiolkovsky was an Imperial Russian and Soviet rocket scientist and pioneer of the astronautic theory. He is considered by many to be the father of theoretical astronautics. His works later inspired leading Soviet rocket engineers such as Sergey Korolyov and Valentin Glushko and contributed to the early success of the Soviet space program.