This postcard shows a pre-war Gebirgsjäger, and probably pre-issue (1938) of the standard sleeve and cap Edelweiss. The stemless Edelweiss on his cap is a World War I Alpenkorps Edelweiss. As you noted, his waffenfarbe is for Gebirgsartillerie. The machine gun he is using is the Austrian MG-30
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