“Day 28: This is a set issued in 1921 by the city of Emden, for Social Democratic Advertising Week. Each of the 4 notes in the set feature a portrait of a famous German socialist on its face. They include:
- 1 Mk: Karl Marx
- 50 Pf: August Bebel
- 25 Pf: Wilhelm Liebknecht
- 10 Pf: Friedrich Engels
The catalog value for this complete set is around $120+. Here you can find more info about this set and others.”
