Original U.S. 1950s Navy USN Gentex H-4 Flying Helmet with Oxygen Mask and Internal Summer Flight Helmet Antique Long Guns This helps to keep Overalls

This helps to keep Overalls skintight and dashing

which indicates it is chambered for the original cartridge designed for the model 1876

The rim of the bell is 5" across and is clearly stamped:

The body is non-magnetic manganese steel

This is a very nice light canvas National Flag from the Southeast Asian country of Malaysia

Original U.S. 1950s Navy USN Gentex H-4 Flying Helmet with Oxygen Mask and Internal Summer Flight Helmet Antique Long Guns This helps to keep OverallsOriginal Items: Only One Available. This is a very nice 1956 1964 USN size LARGE Gentex H 4 helmet that comes with Medium size Type MS 22001 Oxygen Mask and a Large Summer Flying Helmet by General Textiles Inc. Helmet features original gold and green paint with USN USMC Aviator wings to front. All parts are in good condition. This is a very nice display set! The H 4 features a rigid shell with reinforcing ridges and is constructed of a fiberglass