Wednesday, April 17, 1957 Soviet Union, USSR will issue: Stamp "250th Birth Anniversary of Leonard Euler." face value 40, Stamp "250th Birth Anniversary of Leonard Euler." face value 40,
| Country: | Soviet Union, USSR |
|---|---|
| Issue: | 250th Birth Anniversary of Leonard Euler. |
| Date: | 1957-04-17 |
| Print: | Photogravure |
| Size: | 42 x 30 |
| Perforation: | line 12¼ |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 40 Russian kopek |
| Print run: | 1000000 |
| Country: | Soviet Union, USSR |
|---|---|
| Issue: | 250th Birth Anniversary of Leonard Euler. |
| Date: | 1957-04-17 |
| Print: | Photogravure |
| Size: | 42 x 30 |
| Perforation: | comb 12¼ x 12 |
| Format: | Stamp |
| Face Value: | 40 Russian kopek |
| Print run: | 1000000 |