This vintage diving helmet is a stunning piece of history that will make a great addition to any collection. Crafted by HANDMADE DECOR, this US Navy Mark V deep sea marine divers helmet is a vintage reproduction and is made of glass and copper. Its design dates back to World War I, a time period known for its innovations in diving technology. The helmet is a beautiful representation of maritime history and is a must-have for enthusiasts and collectors alike. Its authentic design and craftsmanship make it a unique and valuable piece. The helmet is a great conversation starter and will undoubtedly be a focal point of any room.