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Who buys John Date antique diving helmets?  The Nation’s Attic buys vintage John Date diving helmets and we are able to make immediate offers after viewing some photos of the helmet.  Regardless of location, we make the transaction safe and easy, plus we pay for and handle all of the shipping.

Please call or text us today at 316-371-1828 or email


John Date was an early maker of diving helmets in North America. Based in Montreal, Canada the company was also the only manufacturer of diving helmets and related equipment in Canada. Many early John Date helmets were based on the English Siebe Gorman helmets, made in London. Many John Date helmets are not stamped or marked. Later helmets had a brass ID plate on them. We have also found a number of John Date helmets with a 2nd brass tag indicating the company who owned it originally. John Date helmets were made in the 19th Century and well into the late 20th Century.  It is important NOT to clean or polish a John Date helmet. Leaving its original patina is very important to us and our clients. If you have a helmet that was made by John Date, please let us know, you might  be surprised just how much we can pay!

Call or Text 316-371-1828 or email   

Nation’s Attic is a buyer of John Date antique diving helmets. We represent collectors from around the world and this allows us to make immediate offers on just about any vintage John Date Company diving helmet. No matter where in the world you are located, we make the transaction very safe and easy. We also pay for and handle the shipping!  All we need to make you an offer are clear photos of the helmet. Simply text photos to 316-371-1828 or email them to .

 In addition to John Date helmets we are also interested in purchasing related tools and equipment. Items such as diving knives, boots, weight belts, suits, original ships helmet boxes, underwater lights, brass valves and gauges, air pumps, photos and anything else that is nautical related.




In many cases John Date helmets will have a brass ID plate on the breastplate that reads John Date Reg'd.; Manufacturers; Montreal, CAN. 

Does Your John Date Helmet Have This Tag?

Call / Text 316-371-1828



Some John Date helmets will have a "crown" on the very top. This solid brass addition to the helmet bonnet was used to reinforce the top and also clearly mark who made the helmet.

Does Your Helmet Have This Crown On The Bonnet?

Call / Text 316-371-1828

 | Wichita, KS 67211 | | Tel: 316-371-1828 |

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