Unissued Original German WWII Kriegsmarine Senior Administrative NCO's Career Sleeve Insignia

Unissued Original German WWII Senior Administrative NCO's Career Sleeve Insignia-The insignia consists of a vertically oval, deep navy-blue wool base with machine embroidered vertical Mercurial staff (2 serpents entwined)superimposed on a vertical anchor over a single chevron which is machine embroidered. Cloth backing is intact.