Unissued Original German WWII Kriegsmarine Weapons Control Foreman Troop Training NCO's Career Sleeve Insignia

Unissued Original German WWII Kriegsmarine Weapons Control Foreman Troop Training NCO's Career Sleeve Insignia-The insignia consists of a upward and downward pointing arrow dial heads superimposed on a circular base with staggered, outer graduation bars -- which is machine embroidered. Cloth backing is intact.