Karl Marx (150. Geburtstag)
Stamp: "Karl Marx (150. Geburtstag)"
| Printed value | 30 Pfennige  |
Motif, Topic | Philosophy |
| Circulation | 30.000.000 | Valid until | December, 31 - 1969 |
| Published | April, 29 - 1968 | Design | Kern |
Tags: marx geburtstag todestag