Military Pilot Badge. Type C.E. Juncker, Berlin (800 Silver),

Real silver based, hollow stamped with soldered on backplate and in a very good, slightly worn condition with some patina.
Not marked but a known variation that has been attributed to the company of C.E. Juncker, Berlin. See Carsten Baldes, Abzeichen und Ehrenpreise der Fliegertruppe von 1913 bis 1920. Hallmarked on the reverse with the silver content „800“ and a crescent moon.
Difficult to find original.