Opferring 'Gau Koblenz-Trier' Enamel Badge

'Opferring 'Freiheitsbund' der NSDAP' Enamel Badge of the 'Gau Koblenz-Trier'. The enamelled badge shows only some small scratches/dirt caused by usage, the badge shows a nice age patina and has never been cleaned nor polished. The badge is having a functional pin-back device to its reverse. The badge is not visible maker marked. Rare original badge in good condition!