Science fiction. In selenocentric orbit by alexey leonov and andrey sokolov (1931–2007). Tempera, paper. 1966–1967[1]. The stamp of the soviet union, 4 kopecks, 20 october 1967, cpa catalogue no 3545, michel no 3403, scott no 3382, yvert no 3282. Coated paper. Offset printing. Perforation: comb 12×12½. Size of the stamp: 30×42 mm. Print run: 6,000,000. Date: 20 October 1967.
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