Euler, IIkosaeder
90%
Country: | Germany, Democratic Republic |
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Issue: | 200. Anniversary Of The Mathematician Leonhard Euler (1707-1 |
Date: | 1983-09-06 |
Print: | Offset and Lithography |
Size: | 43 x 26 |
Perforation: | 13 x 12½ |
Emission: | Commemorative |
Format: | Stamp |
Face Value: | 20 East German pfennig |
Print run: | 8000000 |