NS-HAGO member's pin
Nationalsozialistische Handwerks, Handels-und Gewerbeorganisation' (NS.-Hago) Member's pin (Mitgliedsabzeichen).
Roughly translates to National Socialist Crafts, Trade and Industry Organization
Tombac 15mm sized version, 54 mm incl the pin.
Marked Ges Gesch on the back.
Nice original pin in good used condition!
Quite hard to find.