Germany. A Mint & Unissued Wasserschutzpolizei Civil Police Sleeve Eagle

A textbook police eagle belonging to a member of the Wasserschutzpolizei (Waterway and Lake constabulary); constructed of golden-yellow machine embroidery; on a dark blue/black wool backer; black rayon backing on the reverse; measuring 97 mm x 93 mm; in mint and unissued condition.