NSB 5 Year Existence Badge 'N.S.B. 14 December 1931 - 1936 Mussert Wint'. The Dutch "Nationaal-Socialistische Beweging" (National Socialist Movement) was founded by 'Anton Mussert' on 14 December 1931 and was a Dutch pro-German Nazi Party. The tinnie comes on its functional pin/catch system, the tinnie is not visible maker marked. Nice original early NSB tinnie in good condition!