Please explain who the K. Herrmann
 

ask experts to explain what a K. Herrmann picture on cardboard before the war, the year I do not know the origin know.

qwer123, work is called "Golden Autumn"
And the work, and K. Herrmann as an artist, do not pose any artistic or historical value.
Iskat man with the name "K. Herrmann", same as found in Russia by the name "K. Sidorov.
And if there is that this changes?

understood, thank you very capacious.