During the Weimar period, a wide variety of private postal stationery were printed.
This private postal stationery was issued to commemorate the opening of the airmail line from Stettin-Kopenhagen-Gothenburg-Oslo. If used on the first flight of this route, it will bear a commemorative first-flight cancel (MiNr 27.43).
This series was issued in 1927 to commemorate the 4th Bundestag (Federal Day) and 33rd Philatelistentag (Philatelists’ Day).
This series was issued in 1924 to commemorate the Ninth German Singing Club Festival in Hannover.