Space Stamps
DDR 1975 - The 275th Anniversary of the Academy of Science
Germany, Federal Republic 1971 - J. Kepler 1v
Germany, Federal Republic 1981 - Youth, optical instruments 4v
France 1967 - The 10th Anniversary of the Death of Robert Esnault-Pelterie
1988 The 100th Anniversary of the Adult Education Institution Urania
Poland 1987 - The 30th Anniversary of Space Exploration s/s
Poland 1962 - Joint flight of the Soviet Spacecrafts Vostok 3 and Vostok 4 by Andrian Nikolayev and Pavel Popovich