Info| Date | 1973, 15 XII |
|---|---|
| Value | 1,5 (P) |
| Catalog no. | Mi 1258 Sc 670 SG 1231 Y&T 379 |
| Topic | Copernicus, Nicolas |
| Occasion | 14th Science Week |
| Description | Series of 2 stamps. Portrait of Copernicus carrying a model of the solar system. On the other stamp Al Biruni, scientist. |
