Germany, Luftwaffe. A Lot Of Uniform Insignia Archive it is very likely this

it is very likely this set originated from a Government office or other location of significance

A first war Prussian “Beobachterabzeichen”

(Нагрудный знак военного летчика)

After the evacuation of Gallipoli

Knobloch filed the following report: "Chunking

Germany, Luftwaffe. A Lot Of Uniform Insignia Archive it is very likely this(Luftwaffe Insignien). A lot of 12 uniform insignia, including a mismatched pair of Luftwaffe Flight Personnel Enlisted shoulder straps, each constructed of dark grey wool and trimmed with golden yellow piping, the reverse of each with an integrated strap, both unmarked and measuring 45 mm (w) x 105 mm (l), in better than very fine condition; a EM NCOs breast eagle, constructed of dark grey wool, the obverse bearing a machine embroidered silver grey