WW2 Luftwaffe Officer's Flight Suit Rank Insignia - Captain (HBT/Drillich Backed)

Original Luftwaffe ''Gull Wing'' rank insignia for a Hauptmann/Captain as worn on flight suits and flight jackets.The wings & chevron are white wool and attached to the seldom encountered black coloured HBT/Drillich backing material, not uniform removed.Recent house clearance find along with some other cloth insignia.