SA (Sturmabteilung) Belt and Buckle (Koppel und Koppelschloß). The SA (Sturmabteilung) was originally formed in August 1921 as a protective guard unit for the political leaders of the NSDAP. The SA pattern box buckle was the first belt buckle to be introduced by the NSDAP. This is a one-piece brass construction buckle. The buckle is not visible maker marked. The buckle comes together with its original 91cms long sized brown leather belt as found together. Nice set in very good condition!