Germany, Imperial. A First World War Air Balloon Postcard, C.1917 certificate_of_authenticity whose initials "KS" are engraved

whose initials "KS" are engraved inside of the case

A beautiful example of this fine order

featuring a 127 mm silvered steel blade

HARTIG" (Arnold Hartig) below

with a full list of promotions with significant dates from SA-Mann to Sturmführer

Germany, Imperial. A First World War Air Balloon Postcard, C.1917 certificate_of_authenticity whose initials "KS" are engraved(Postkarte). A First World War period postcard, featuring a black and white photograph of a German balloon and unit holding the metal cords, with ink handwriting with an arrow pointing to one of the figures, an indecipherable name, and the place Bremen, the reverse presents handwriting in black ink, mostly illegible except for the title FLIGERABWEHRBALLON and the date 4 July 1917, measuring 13. 8 cm (w) x 8. 9 cm (h), and in very fine condition.