Germany, Kriegsmarine. A Pair of Oberfeldwebel Blocking Weapons Mechanic Shoulder Strap
(Shulterklappen). A pair of shoulder straps constructed of a black wool base, with fine gold-coloured tresses trimming the entire outer edge of the straps, with two silvered rank pips denoting Oberfeldwebel (Master Sergeant), with the Reichsmarine-era career insignia for Blocking Weapons Mechanics, each strap measuring 44 mm (w) x 115 mm (h), and in near extremely fine condition.
Footnote: Reichsmarine-era devices were found on early Kriegsmarine shoulder straps. See John R. Angolia and Adolf Schlicht, Die Kriegsmarine: Uniform and Traditions, Volume 1 (San Jose: R. James Bender Publishing, 1991), 123.