early WWII German NSDAP Political Uniform Button (1211)

Early WWII German NSDAP Political Uniform Button, aprrox 20mm.  It depicts an early political style eagle with outstretched wings clutching a stagnant swastika in its talons, in front of a round pebbled backing.  Assman A & Sonne maker marked with Ges. Gesch on reverse.