Germany. An RLB Membership Stick Pin; Second Pattern

A fine example of a second pattern enameled RLB (National Air Raid Protection League/Reichsluftschutzbund) membership stick pin; in silvered and enameled bronze; depicting the second pattern RLB logo on the obverse; with a 50 mm long knurled pin; maker marked “G(ustav) Brehmerm Markneukirchen” and “Ges. Gesch.” on the reverse; measuring 18 mm in diameter; a used example in overall near extremely fine condition.