Robert Kirchhoff (1824-1887)
93%
| Country: | Berlin |
|---|---|
| Issue: | 150th birthday of Robert Kirchhoff |
| Date: | 1974-02-15 |
| Print: | Offset lithography and Recess |
| Size: | 33 x 27.5 |
| Perforation: | comb 13¾ x 14 |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 30 German pfennig |
| Print run: | 7950000 |