Germany, Kriegsmarine. A Lot of Trade Specialist Insignia

(Kriegsmarine Ärmelabzeichen). A lot of three trade specialist insignia, including a Boatswain NCO’s badge, constructed of dark blue wool, the obverse bearing a gilded bronze insignia, the reverse bearing the remnants of an illegible white ink mark, measuring 70 mm (w) x 90 mm (h), in near extremely fine condition; an Ordnance NCO’s badge, constructed of dark blue wool, the obverse bearing a gilded bronze insignia, the reverse bearing the remnants of an illegible white ink mark, measuring 66 mm (w) x 82 mm (h), in near extremely fine condition, and; an Engine Mechanic NCO’s insignia, constructed of dark blue wool, the obverse bearing a gilded bronze insignia, unmarked, measuring 68 mm (w) x 92 mm (h), with some mothing evident to the wool backer, in overall very fine condition.