Original U.S. WWI British Mark I Brodie Refurbished Doughboy Helmet of the 4th Infantry Division Vietnam The reverse ricasso is etched

The reverse ricasso is etched with the trademark used from 1937-1939

5 inch mountain gun is a British rifled muzzle-loading mountain gun of the late 19th century designed to be broken down into four loads for carrying by man or mule

It is a black felt dress helmet

When the patent got old in 1977

Original U.S. WWI British Mark I Brodie Refurbished Doughboy Helmet of the 4th Infantry Division Vietnam The reverse ricasso is etchedOriginal Item: Only One Available. The M1917 was the US Army's first modern combat helmet, used from 1917 and during the 1920s, before being replaced by the M1917A1. The M1917A1 helmet was an updated version of the M1917 and initially used refurbished WW1 shells. The M1917 is a near identical version of the British Mk. I steel helmet, and it is important to note that when the US joined the Great War in 1917 they were initially issued with a supply of