This is a man named Fischer’s militärpaß from Infanterie-Regiment Nr 164. He was born in 1883, and entered the army in 1903. He completed his two years of service in 1905. He entered the reserves and was called back to duty for WW I. He saw substantial action in numerous battles and survived the war. The pass reveals a number of unit stamps from a variety of units. It will provide you with an opportunity to research the military career of a man who served in the army, on and off, from 1903 into 1919.