Original U.S. WWI Marine Corps British-Made Mk. I Helmet with EGA Device & Full Liner and Chinstrap Edged Weapons The breech block is however

The breech block is however missing the firing pin

being joined together via two aluminum buttons

probably due to oxidation inside

so it needs to be manually returned to the closed position

and is now stuck to the visor

Original U.S. WWI Marine Corps British-Made Mk. I Helmet with EGA Device & Full Liner and Chinstrap Edged Weapons The breech block is howeverOriginal Item: Only One Available. This is an incredibly nice British made Mk. I helmet that was issued to a United States Marine during the Great War. This very nice example is complete with liner and chin strap, and still has original period textured paint on the outer shell. Most notably the helmet features a P1917 EGA (Eagle Globe Anchor) cap badge. The badge is a bit loose on the front of the helmet, and retains its original backing. The shell is