Original U.S. WWI M1917 Army Air Service Doughboy Helmet Shell with Panel Camouflage Paint Spanish Helmets The gray sweatband is perforated

The gray sweatband is perforated at the front and is nicely ink stamped underneath with owner's name and unit:

Influx of recruitsThe Foreign Legion was heavily involved in World War II

There is also an inspector proof under the date marking

which do not show any signs of turning

This was actually rather common

Original U.S. WWI M1917 Army Air Service Doughboy Helmet Shell with Panel Camouflage Paint Spanish Helmets The gray sweatband is perforatedOriginal Item: One of a kind. This is a fantastic genuine Great War hand painted camouflage helmet shell, which has lost all of the original liner. The helmet features textured original period colored panel camouflage paint in a multitude of colors, including red, brown, and various shades of green and blue. It also has a red, blue, and white "Roundel" insignia on the front, which is the WW1 marking used by the U. S. Army Aviation Section, Signal