Czechoslovakia
different colours
| Country: | Czechoslovakia |
| Type: | Postage stamps |
| Series: | Space Research 1977 |
| Nominal: | 30 h |
| Year: | 1977 |
| Material: | OZ - Paper with intentional optical brighteners |
| Size: | 27 x 45 mm |
| Perforation: | frame 11¼ x 11¾ |
Space Research 1977
 S. P. Korolev |  Yuri A. Gagarin and "Vostok I" |  S. P. Korolev 0.06$ |  Yuri A. Gagarin and "Vostok I" 0.07$ |
 Alexei Leonov 0.07$ |  Neil A. Armstrong and Footprint on Moon 0.14$ |  "Salyut" and "Skylab" Space Stations 0.19$ |