Nations Attic

The big day is coming up, this Saturday, May 30th - preview and register for the auction here; https://bid.oldhelmet.com/auction/219-nations-attic-2026/

One of the rarest Canadian diving helmets we’ve ever handled is heading to auction! 🇨🇦

This incredible John Date diving helmet from Montreal, Canada will be selling at NO RESERVE in the Nation’s Attic “Diving Into History” Auction on May 30th, 2026.

Collectors of antique diving equipment know how seldom John Date helmets appear on the market, making this an exciting opportunity for diving historians, maritime collectors, and serious helmet enthusiasts worldwide.

Watch the YouTube video preview here:
https://youtu.be/QWffvcBMCTs?si=-6gOGFOThDqpFh3Q

Bid online / view the auction listing here:
https://bid.oldhelmet.com/auction/219-nations-attic-2026/lot-118-rare-john/

Full auction catalog:
https://bid.oldhelmet.com/auction/219-nations-attic-2026/

John Date Montreal Diving Helmet – A Rare Survivor of Canadian Diving History Rare Canadian diving history is heading to auction!Bid here: http...

🔥 One of the most unique vintage shallow water diving helmets made is coming up in the Nation’s Attic “Diving Into History” Auction!

Lot #57 is a rare Morse Model 15 curved glass diving helmet — a futuristic-looking design straight out of a 1950s sci-fi movie. These helmets are highly sought after by collectors and rarely appear on the market.

🎥 Watch the video preview:
https://youtu.be/9t-a56dLqyw

⚓ View the full auction listing:
https://bid.oldhelmet.com/auction/219-nations-attic-2026/lot-57-morse-model/

🔥 Selling at NO RESERVE
📅 Live auction closes May 30th, 2026
🌎 Worldwide bidding available

Rare Morse Model 15 Diving Helmet Heads to Auction at No Reserve! Step back into the golden age of commercial diving with this highly collectible Morse Model 15 shallow water diving helmet, featuring the distinctive curved ...

One of the most iconic diving helmets ever produced is headed to auction… and it’s selling at NO RESERVE. ⚓

This authentic 1945 U.S. Navy Mark V diving helmet by DESCO is featured in Nation’s Attic’s upcoming “Diving Into History + More” auction on May 30th, 2026. The helmet also carries a personalized Navy diver identification plate from the gentleman who designed the Diver Down flag used around the world now!

We just released a short video preview showing this incredible helmet in detail.

🎥 Watch the video here: https://youtu.be/3QDAkgW4s0g

⚓ Lot #146
⚓ WWII-era U.S. Navy Mark V
⚓ Selling at NO RESERVE
⚓ Worldwide online bidding available

View the full auction catalog here: https://bid.oldhelmet.com/auction/219-nations-attic-2026/

WWII US Navy Mark V Diving Helmet – No Reserve Auction Preview Step back into the golden age of military diving with this incredible 1945 US Navy Mark V diving helmet, one of the most iconic and recognizable helmets ever...