(Reichsluftschutzbund Ban- u. Störrtrupp Armbinde). Constructed of green cotton, the exterior bearing a black ink inscription of “BAN- U. STÖRTRUPP” (“BUILDING AND DEMOLITION SQUAD”), flanked by a Nuremberg district stamp, otherwise unmarked, measuring 218 mm (w) x 116 mm (h) when folded on a flat surface, a rare armband in extremely fine condition.