Belt buckle gun Benda Langka yang dipakai Waktu Perang Dunia I oleh Nazi

This is a very rare Nazi multi-shot 5.6mm (.22 cal) belt buckle gun invented y Louis Marquis while in a WWI POW Camp and received a patent for a similar design in 1935. When activated, the cover would open up, revealing the barrels loaded with cartridges. These immediately fired on some test model or could be individually fired by the triggers.