Unissued Original German WWII Kriegsmarine Senior Aircraft Warning Service NCO's Career Sleeve Insignia

Unissued Original German WWII Senior Aircraft Warning Service NCO's Career Sleeve Insignia-The insignia consists of a vertically oval, deep navy-blue wool base with machine embroidered dual, diagonally angled, crossed blitz arrows superimposed on a vertical anchor positioned over a single chevron, which is with machine embroidered.