A RLB (National Air Raid Protection League) Standard Issue Belt Buckle; First Pattern

This is a first pattern RLB (Reichsluftschutzbund/National Air Raid Protection League) standard issue belt buckle; constructed of stamped nickel-silver a silver aluminum finish; the obverse with the standard first pattern RLB motif, consisting of a small political eagle clutching a wreathed swastika on a domed pebbled field within a full laurel wreath; the reverse with standard double-claw prongs and catch; measuring 63 mm x 47 mm; better than very fine condition.