Tombak/brass based, hollow stamped with soldered on backplate and in a very good, barely worn condition with practically all of the matt silver plate still present. The high points burnished and all 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.
The fitting sales box marked with the company name Hofjuweliers Markus, unte den Linden 31 (Berlin).
The front part of the lid and bottom part of the box are missing(!)
The interior covered with white velvet and inside of the lid the logo of the court jewellers. Embossed in gold on top of the lid with the imperial eagle.

Tombak/brass based and, apart from the hook having an old repair(!), in a good, worn condition with all of the silver plate still present and some patina.
Marked on the reverse with the maker C.E. Juncker, Berlin. See Carsten Baldes, Abzeichen und Ehrenpreise der Fliegertruppe 1913 – 1920.