3rd Reich NSKK mitgliedsabzeichen M1/17

In an excellent condition a National Sozialistisches Kraftfahr Korps membership pin. Frontside: A ribbon with the letters N.S.K.K. which is holded by the wings of an eagle, Under the eagle a wreath with swastika. Backside: Safety pin. Maker marked RZM M1/17 which stands for Assmann & Söhne from Lüdenscheid