It was made in Leningrad St. Cames from NAVY store in Murmansk.
Type of suite 3-bolt for depth 60 meters. The item "Rare Soviet Original russian3-bolt Diving Helmet, suit, boots and more" is in sale since Monday, August 5, 2019. This item is in the category "Antiques\Maritime\Diving Helmets". The seller is "sikhote-master" and is located in Mocow.This item can be shipped worldwide.