Luftwaffe Bomber Pilot, clasp - Gold grade

Luftwaffe Bomber Pilot, clasp - Gold grade. Buntmetall. The badge was made in tombak, previously it had a pendant on which the flight count should have been indicated, but the fastening was cut off for some reason. The badge has traces of use and the gold plating is practically worn off, in the photos the badge looks generally white, although it has retained a fairly decent part of the gilding. Manufacturer is most likely  - FLL