Emil Köhn, Nürnberg

Emil Kohn also produced cards branded "Noris-Kunstverlag", from 1 Rothenburgerstrasse, Nürnberg. Cards exist with most or all combinations of names and logos, from just the EK logo to all at the same time.

Emil Köhn Kunstverlag, Munich

Later, eg in the 1930s, there are cards with the EKM logo with two towers (Munich Frauenkirche), and later still cards with "Emil Köhn Kunstverlag, Munich" on the address side.
EKN 415
Noris 420
showing al Nürnberg logos