An Interesting 1931 Airmail Envelope Sent From Braunschweig (Germany) To Peiping (China) Archive but textbook example by maker

but textbook example by maker  “Schwerin

George VI IND

The interior of the cap is fully lined in brown rayon

20th November 1895

An Interesting 1931 Airmail Envelope Sent From Braunschweig (Germany) To Peiping (China) Archive but textbook example by makerThis is an interesting airmail envelope that was sent from Mr. Walter Behrens, from Braunschweig (Germany) of the Behrens Neuheiten Dienst, to the District Accountant of the Head Post Office in Peiping (China). It features three German stamps; 1) A 1 Reichsmark Deutsche Luftpost Zeppelin stamp. 2) A 15 Pfennig Deutsche Luftpost Stamp, and a 3) 10 Pfennig Deutsche Luftpost stamp with all three stamps featuring validation stamps in black ink, dated