Info| Date | 1980, 12 IV |
|---|---|
| Value | 10 Kčs |
| Catalog no. | Mi2563, BL40 Sc 2308 SG MS2522 Y&T BF47 |
| Topic | Interkosmos Project - Joint issues with Polish Post |
| Occasion | April 12, International Cosmonautics Day |
| Description | Joined issue with Bulgaria, German Dem. Rep., Poland and the Soviet Union. On the stamp: the logo of the Interkosmos Project. On the margin, below the stamp, are the flags of the 5 countries, that took part in a flight, until the release of this stamp. Among them Poland. The Bulgarian stamp was issued on April 22, the other stamps in April 11, 1980. Sheetlet issued with perforated and not perforated stamp. |
