Nation's Attic's Annual 2026 Diving Into History Auction
We are now accepting consignments for our upcoming Nation's Attic's Diving Into History auction for 2026. This is your chance to take advantage of a historically strong market. Our 2025 auction resulted in multiple record pricing for antique diving helmets and related memorabilia.
Our 2026 auction will feature the collection of The Ocean Corporation which began business in 1969 in Houston, TX teaching individuals the business of commercial diving. Countless current and retired divers have passed through their lobby and admired the collection of antique and vintage diving helmets. The school is still going strong but has decided to let others enjoy the pieces of diving history they have accumulated over the decades.
If you are considering selling a single piece of diving history or an entire collection for top market value, contact us today! Nation's Attic are experts at helping coordinate the shipping or pick-up of your valuable items.
Call / Text 316-371-1828 or Email helmets@nationsattic.com
 SOLD For $33,000Lot #63 - US Navy Mark V Helium Diving Helmet in Nation's Attic 2025 Diving Into History Auction |  SOLD For $24,000Lot #114 Ocean Systems Mixed Gas Diving Helmet In Nations Attic 2025 Diving Into History Auction |  SOLD For $21,000LOt #54 AJ Morse & Son Five Bolt Diving Helmet In Nations Attic 2025 Diving Into History Auction |
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 SOLD For $19,200Lot #90 Lindberg Hammar Mixed Gas Diving Helmet In Nations Attic 2025 Diving Into History Auction. |  SOLD For $15,600Lot #66 1917 US Navy Mark V Diving Helmet In Nation's Attic 2025 Diving Into History Auction |  SOLD For $13,200Lot #69 US Navy Mark V 1943 Miller Dunn Diving Helmet In Nation's Attic 2025 Diving Into History Auction |
 SOLD For $9,900Lot #99 AJ Morse & Son Merritt Chapman & Scott Helmet In Nations Attic 2025 Diving Into History Auction |  SOLD For $8,400Lot #38 Miller 400 Diving Helmet Sold In Nations Attic 2025 Diving Into History Auction |  SOLD For $6,900US Navy Mark 12 Diving Helmet Sold In Nation's Attic 2025 Diving Into History Auction |
A Few Of The Exceptional Results From Our
2025 Diving Into History Auction
Here at Nation's Attic we work hard to ensure our consignors assets receive the maximum monetary return in today's market. We provide a 30 day preview of all items, allowing ample opportunity for inspection and review of items. Professional expert descriptions and photos of each item are provided. Advertising the auction in both print and online media. Cross-promotion to potential buyers on multiple online bidding platforms. Marketing the items to our worldwide clientele that we have built over 21 years in the business. At lastly, working with our consignors to make the entire experience easy and seamless.
Have questions about participating in our 2026 Diving Into History auction?
Contact Us At helmets@nationsattic.com or call / text 316-371-1828