Germany, RLB. A Reich Air Protection League (RLB) Messenger’s Armband

(Reichsluftschutzbund Ärmelband). Constructed of light blue cotton, the exterior with a white machine-embroidered BeVo-style letter “M”, the reverse with a mark of “BEVO-WUPPERTAL”, measuring 190 mm (w) x 100 mm (h), in extremely fine condition.