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You have found the worlds largest buyer of antique diving helmets made by the Andrew J. Morse Company! If you are considering selling helmet or consigning a diving helmet to one of our worldwide known auctions - then you have found the right place. As the #1 dealer in antique diving helmets with an A+ rating with the Better Business Bureau and a impeccable reputation with clients worldwide, you can be assured we will treat you fairly.


Nation's Attic Inc. represent serious collectors from around the world.  This fortunately allows us to make immediate offers on just about any vintage deep sea diving helmet. Regardless of where you are located in the world, we make the transaction very easy and safe. We also pay for and handle the shipping of the helmet! We also offer the option of adding your helmet to one of our upcoming auctions. 

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


The Andrew J. Morse Company was one of the early manufacturers of diving helmets and firefighting equipment. They were located in Boston, MA during the 19th and 20th Centuries. Ownership changes and incorporation resulted in slight name changes over the years. Starting with the name Andrew J Morse and then going to A.J. Morse followed by A.J. Morse & Son Inc. In the 20th Century the company sold and was renamed Morse Diving Equipment Co Inc. Their headquarters would eventually move to Rockland, MA in the early 21st Century and then Milwaukee, WI. Morse made a lot of different diving helmets and other related equipment. Morse was also one of the makers of the US Navy Mark V helmet. If you have a helmet that was made by Andrew J Morse, A.J. Morse or Morse Diving Equipment, please let us know, you might be surprised just how much it is worth!

Call or Text 316-371-1828 or email   

Nation’s Attic is a buyer of Morse antique diving helmets, especially examples stamped AJ Morse. Regardless of 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 Morse 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.

Andrew J. Morse & Son Boston

Stamp - No Tag

A early identification stamp used on helmets by this company said Andrew J. Morse & Son; Boston. Only one small stamp was placed on the front of the lower half of the helmet, called the breastplate. Sometimes this stamping into the copper is hard to read and will be small.

Have A Helmet With An ID Plate Like This Example?

Call / Text 316-371-1828

AJ Morse - Boston

Stamp - No Tag

AJ Morse helmets in some cases will have no brass or lead ID plate. They would simply stamp their name and location into the breastplate of the helmet. A.J. Morse - Boston. The stamp is not very large and sometimes hard to see. 

Have A Helmet With An ID Plate Like This Example?

Call / Text 316-371-1828

A.J. Morse & Son

The brass ID plate shown to the left is a good example of ID plates found on many commercial helmets. The plate says A.J. Morse & Son., Boston, Mass, U.S.A. These brass ID plates were riveted onto the copper breastplate. 

Have A Helmet With An ID Plate Like This Tag?

Call / Text 316-371-1828

A.J. Morse & Son Inc. Boston, Mass

The ID plate shown left is very similar to the one above. The difference in the two is the inclusion of (Inc.). after A.J. Morse & Son.

Do You Have A Helmet With A Similar Tag?

Call / Text 316-371-1828

US Navy Mark V A.J. Morse Helmet

A.J. Morse was one of the first to make the Mark V for the US Navy. This brass ID plate from 1918 is an excellent example of an A.J. Morse & Son Mark V example. 

Do You Have An Antique A.J. Morse Helmet?

Call / Text 316-371-1828

Morse Diving Equipment Co Inc


Before WWII ownership in Morse changed. For a brief period of time the ID plates on Morse helmets read Morse Diving Equipment Co. Inc. Successors. At times this would be included with an A.J. Morse oval ID plate like the examples above. 

Have A Helmet With An ID Plate Like This?

Call / Text 316-371-1828

US Navy Mark V Morse Diving Equipment Co.

During the early part of World War 2 this is what the US Navy Diving Helmet Mark V Morse Diving Equipment ID plate looked like. Don't be fooled by the fake ID plates with no serial # dated 8-29-41. 

Is Your ID Tag Similar?

Call / Text 316-371-1828

US Navy Mark V Morse Diving Equipment Co.

Later on during World War 2 Morse Diving Equipment used a lead ID plate on the Mark V diving helmets. It is not uncommon for these to be hard to read the date and serial number. 

Have A Helmet With A Lead ID Plate?

Call / Text 316-371-1828

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

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