Original U.S. WWI Experimental Navy M1917 Mark I Gas Mask in Canister - Mouth Canister Type - Rare 40mm BOFORS World War Two Aviator cadet

World War Two Aviator cadet visor cap by Superior Uniform Company in size 7 1/8 offered in excellent condition

Most of these badges over time completely lose the wash and turn gray

and the four groove rifling is still clear

and slight damage

rather than the more experienced 34th Infantry Division

Original U.S. WWI Experimental Navy M1917 Mark I Gas Mask in Canister - Mouth Canister Type - Rare 40mm BOFORS World War Two Aviator cadetOriginal Item. Only One Available. The Navy Mark I was one of the earlier masks made by the United States, not to be confused with the later optical Mark I made in WWII. Similar to the German Gummischutzmaske, the Mark I was issued in a metal canister. However, unlike the German Gummischutzmaske, the Mark I used a wide rubber flapper type exhale valve that protruded from the filter inlet stem. This is an extremely scarce gas mask, the first of this