Mark V United States Navy Diving Helmet by SchradersBoston Harbor Auctions 4.4(55)$2,700(3 bids)Apr 12, 2026
REPLICA COPPER & BRASS U.S. NAVY MARK V MODEL DIVING HELMETAustin Auction Gallery4.7(1.2k)$150Mar 28, 2026
AFH-1 Helmet US Vietnam era Mfg by Sierra Engineering Co.Old Steel Historical Firearms LLC4.5(101)$80(4 bids)
