This Siebe Corman Style Copper & Brass Diver's Helmet replica is a unique piece of personal gear that is not issued and hails from the pre-1500 era. With a 22 cm size, this helmet reflects the ingenuity and craftsmanship of Great Britain's navy during World War II. A valuable collectable for enthusiasts of militaria, this item captures the essence of underwater exploration and military innovation in a bygone era.