Info| Date | 1983, 12 IV |
|---|---|
| Value | 10k, 0,50k |
| Catalog no. | Mi 639 Sc 450 SG 637 Y&T 467 |
| Topic | Hermaszewski, Mirosław - Interkosmos Project |
| Occasion | April 12, International Cosmonautics Day |
| Description | Series of 9 stamps about the Interkosmos Project. On the 0,50k stamp are the portraits of the Polish kosmonaut Hermaszewski and a the Russian kosmonaut Pyotr Klimuk. Also the flags of both countries are shown. |
