This nautical scuba diving helmet is a unique piece of history perfect for any maritime enthusiast. The handmade antique reproduction of the US Navy Mark V is constructed from high-quality materials including aluminum, brass, glass, and iron. The helmet was crafted with attention to detail, ensuring its authenticity and value. This diving helmet is a true representation of the US Navy's historic past and is an excellent addition to any collection. The helmet's model/style is the US Navy Mark V, and it was used during WWII by the US Navy. Its brown marine diving color and military branch of US Navy make it even more unique. The helmet's country/region of origin is the United States, and it is considered a rare find.