Germany, SD. A Sicherheitsdienst-Hauptamt NCO’s Sleeve Diamond

(SD-Hauptamt Ärmelabzeichen). Constructed of black wool with a buckram core, trimmed with interwoven black threaded and silver aluminum wire piping, the obverse bearing hand-embroidered silver aluminum wire letters “SD”, unmarked, measuring 52 mm (w) x 68 mm (h), in unissued and near mint condition.