Original Imperial German WWI Gummimaske GM-15 Rubberized Gas Mask with 1917 Dated Filter & Can Original Display Machine Guns This model is marked on

This model is marked on the lock plate with:

but its pilots and planes also flew cover for pilot rescue missions

but unfortunately it is too faint to make out accurately

The canteen itself is an Italian M1935 aluminum version which features a front side which is convex with four vertical ribs and the reverse side is slightly concave

Original Imperial German WWI Gummimaske GM-15 Rubberized Gas Mask with 1917 Dated Filter & Can Original Display Machine Guns This model is marked onOriginal Item: Only One Available. This is an extremely scarce rubberized cloth GM 15 gas mask. The Gummimaske (Rubber Mask) 15 was initially produced in 1915. It was the prototype design of a gas mask system that allowed a soldier to fight and breathe whilst located in clouds of noxious and lethal chemicals. It was the first in a series of gas masks which were manufactured for military use by the German military in WWI. The very first version of the