DESCO Air Hat Free Flow Copper Helmet Serial #200Nation's Attic Inc.4.6(115)US$300(2 bids)May 30, 2026
1918 AJ Morse & Son Antique Diving Helmet Copper & BrassNation's Attic Inc.4.6(115)US$1,500(1 bid)May 30, 2026
1950s Craftsweld Equipment Copper / Brass Diving HelmetNation's Attic Inc.4.6(115)US$1,500(1 bid)May 30, 2026
Mark V US Navy Style Diving Helmet 18" Full Size Antique Copper Finish CollectibleChairish Auctions4.5(10.4k)US$380
Vintage Copper and Brass Diving Helmet, 10 Inch Nautical Statue Decor PieceChairish Auctions4.5(10.4k)US$240
Early Kirby Morgan Modified Yokohama Copper & Brass Diving HelmetNation's Attic Inc.4.6(115)US$2,000May 30, 2026
