Kriegsmarine Coastal Artillery Senior NCO’s Career Sleeve Insignia

A Kriegsmarine Coastal Artillery Senior NCO’s Career Sleeve Insignia, machine embroidered with golden yellow thread on navy blue backing cloth depicting a flaming winged artillery shell, superimposed on a vertical anchor with a chevron below worn on the standard Kriegsmarine uniforms.   The insignia has a light blue backing, measures 90mm (h) x 70mm (w), in good condition.