This is a NSDAP Freiheitsbewegung “Opferring” Gau Hessen-Nassau stickpin. “Opferring” has a double meaning in the German language - it could mean “sacrifice” or “victim”. 50 mm lightly knurled pin; maker marked “E.F. Wiedmann, Frankfurt am Main” on reverse; measuring 20 mm in diameter; very fine condition.