Date | 1973, 15 XII |
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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. |