NauticalMart Antique US Navy V Mark Scuba Sea Diving Divers Helmet 18" Tall x 15" Wide x 17-1/2" Deep Collectible Antique Maritime Marine Gift Helmet is Very Good Condition This is an excellent quality made helmet It is Totally Handmade Antique Scuba SCA Divers Diving Helmet US Navy Mark V Deep Sea Marine Diver Wonderful Addition to a United States Navy Premium quality well made deep sea diver helmet replica. Manufactured Sold By Nauticalmart Description This rare helmet uses two pieces of angled glass on the front protected by brass bars. This model also used lead weights bolted to the front and back (weights not included). The polished brass and cooper helmet measures 23 inches high (including the handle) and 11 inches wide. The brass plaque on the right side reads, "DIVINHOOD Style 2 / Navy Standard / U.S. 1195793 - 1595909. water diving using helmets and simple equipment that did not require exhaustive training. Its first major helmet was the No 1 Divinhood. It was quickly followed by the Style 2 Divinhood which became the U.S. Navy's first official shallow water diving apparatus, and was part of the ships gear on many naval vessels prior to World War II. Considered one of the most visually dramatic helmets ever made, they are extremely rare and are seldom offered for sale. This helmet is being offered as a display item only, and should not be used for any other purpose unless certified by a competent diving shop. MANUFACTURED SOLD BY NAUTICALMART INC.