AIRMAIL Catapult Post

Quality: ✉

20.10.1933 cover from Philadelphia, PA to Berlin which the sender initially intended to send via catapult post from the steamer "Bremen" (and thus inscribed it on the front at upper left "Ship to Shore Airmail S.S.Bremen") however, the last catapult flight for the year 1933 from the "Bremen" took place on 10.10, eventually the cover was sent via regular airmail, as indicated by the transit and arrival postmarks on the back, interesting, vf