Original U.S. WWI Experimental Navy M1917 Mark I Gas Mask in Canister - Mouth Canister Type - Rare French Militaria but it has not been

but it has not been sharpened or cleaned excessively

they were producing MkIII and then MkIV Telescopes

as the spring has cracked through

Attached to this is a small post

• WWI issue khaki cotton tunic with 6th Infantry Division red star and 6 wool patch insignia on left shoulders well as two overseas service bars on left cuff

Original U.S. WWI Experimental Navy M1917 Mark I Gas Mask in Canister - Mouth Canister Type - Rare French Militaria but it has not beenOriginal 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. The valve is now absent, stiffened and broken off long