Info| Date | 1980, 12 IV |
|---|---|
| Value | 50 K |
| Catalog no. | Mi 4943, BL146 Sc 4820 SG MS4984 Y&T BF145 |
| Topic | Interkosmos Project |
| Occasion | April 12, International Cosmonautics Day |
| Description | Joined issue with Bulgaria, German Dem. Rep., Poland and Czechoslovakia. On the stamp are symbols for space flights, on the frame the flags of the participating countries and a text. The Polish stamp (below) has another design as the stamps of the 4 other countries. The Bulgarian stamp was issued on April 22, the other stamps in April 11 or 12 1980. |
