Info| Date | 1979, 02 IV |
|---|---|
| Value | (CUP) 1, 4, 6, 10, 13, 30, 50 |
| Catalog no. | Mi 2384-2390, BL58 Sc 2244-2249, C315 SG 2541-2547 Y&T 2110- 2115, BF57 |
| Topic | Interkosmos Project |
| Occasion | International Cosmonautics Day |
| Description | On the left side: the flags the Soviet Union, Czechoslovakia, Poland and the German Dem. Rep. At the moment that those stamps were issued, cosmonauts of those countries had made a space flight. |
