Bulgaria
0.78 - 0.94$
price on 01.12.2022
Konstantin Eduardovich Tsiolkovsky (17 September [O.S. 5 September] 1857 – 19 September 1935) was a Russian and Soviet rocket scientist and pioneer of the astronautic theory.
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | International Congress of Astronautics |
| Nominal: | 5 ст |
| Year: | 1962 |
| Perforation: | line 11 |
| Mintage: | 150,000 |
International Congress of Astronautics
 K.E. Tsiolkovsky, starting rocket 0.78$ |  Globe, moon, "Lunik 3" with trajectory 2.2$ |