Mark Your Calendars:  Saturday, November 1, 2025 Nation's Attic is preparing to host one of its most exciting sales of the year: the annual Diving Into History + More  auction . This event is a deep-sea treasure chest for collectors, featuring hundreds of rare, authentic artifacts from commercial diving's golden age, alongside a captivating selection of historic collectibles from other unique categories. The entire auction is online-only , making it accessible to collectors a

Exploring the historical depths of underwater exploration unveils a treasure trove of stories, innovation, and adventure, especially when...

Antique diving helmets are fascinating relics that tell stories of human exploration and technological advancement beneath the waves....

Diving helmets have a rich history that conjures up images of iconic maritime adventures. They were a groundbreaking innovation of their...

The underwater world has always fascinated humanity, prompting the need for innovative exploring tools. One of the most significant...

Nation's Attic Diving Into History Auction, Saturday December 10th, 2022.

One of the most popular subjects of collecting vintage diving equipment is knives. While commercial diving knives were made in huge...

One of the most common questions we receive from first-time antique diving helmet buyers is how do I know the diving helmet I’m buying is...

What kind of helmet did a diver use when they were working in shallow water? The answer, at least for the United States Navy was the...

In addition to buying vintage diving helmets, Nation’s Attic also buys vintage dive watches. With this post coming in October we thought...

One of our favorite parts of the business of buying and selling antique diving helmets is meeting people from around the world....

Nation's Attic will conducting their final auction of 2021 on Saturday December 4th. This will be an online only auction and is available...

The world's largest dealer of authentic diving helmets, Nation's Attic Inc., will be conducting the online-only auction on...

As part owner of the Nation’s Attic, I am extremely fortunate to see these historic diving helmets on a regular basis. My mind always...

One of the most common questions we receive is how we can quickly tell if a US Navy Mark V diving helmet is authentic or not. Due to the...

At oldhelmet.com, we specialise in buying and selling Antique Diving Helmets. As the worlds largest dealer, we only handle authentic vintage