Bulgaria
2.2 - 2.7$
price on 01.12.2022
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | International Congress of Astronautics |
| Nominal: | 13 ст |
| Year: | 1962 |
| Perforation: | line 11 |
| Mintage: | 400,000 |
International Congress of Astronautics
 K.E. Tsiolkovsky, starting rocket 0.78$ |  Globe, moon, "Lunik 3" with trajectory 2.2$ |