This arm-badge was intended for wear by members of the motorized W.A. of the 'NSB'-related: 'Weerafdelingen' (being more or less the equivalent of the German SA or 'Sturmabteilungen'). The Dutch "Nationaal-Socialistische Beweging" (National Socialist Movement) was founded by 'Anton Mussert' in December 1931 and was a Dutch pro-German Nazi Party.
Portovrij? In NL boven € 200,-