Postal stationery cover 20 Pa. on 10 Pfg crown / eagle with additional franking 2 Pfg crown / eagle and 3 Pfg as well 25 Pfg Germania Reichspost as follower as correctly franked registered cover from "CONSTANTINOPEL 1 - German post -a / 17 / 7 00", to Mr. Philipp Kosack, Berlin with arrival postmark, the 25 Pfg -value rubbed spot on the picture side at the bottom centered, otherwise in perfect condition and very decorative