Nations Attic 2026 Diving Into History + More

Auction Details

Nation's Attic is proud to present the 2026 "Diving Into History" auction, a landmark event scheduled for Saturday, May 30th. This year's sale features the esteemed collection of The Ocean Corporation, a cornerstone of the commercial diving industry founded in Houston in 1969. As the school continues its legacy of excellence, it has chosen this moment to share museum-quality pieces of diving history with the global collecting community. The auction offers an unparalleled selection of 19th and 20th-century copper and brass diving helmets from legendary makers such as Morse, Schrader, and Siebe Gorman, including exceptionally rare and unique configurations.

Beyond the helmets, the catalog includes a deep dive into the history of the working diver with authentic vintage dive dresses, heavy lead boots, weight belts, and specialized equipment. Collectors will also find a vast array of maritime treasures including vintage underwater lights, original manufacturer catalogs, and historic photographs. The second half of this spectacular event shifts focus to a diverse array of high-quality collectibles selling at no reserve. These offerings include historically significant Japanese swords, a curated selection of US coinage, and an elegant collection of designer handbags, many of which remain in their original packaging.

As the world's largest dealer of authentic antique diving helmets, Nation's Attic provides a secure and professional platform for enthusiasts and investors alike. The full digital catalog will be available for preview and pre-bidding on LiveAuctioneers approximately one month prior to the sale date. We encourage all bidders to register early to ensure approval for this high-profile event. For detailed condition reports or inquiries regarding specific lots, please contact us at 316-371-1828 or via email at helmets@nationsattic.com. Join us on May 30th for this extraordinary opportunity to own a piece of history from the deep.
Please make sure your account has the correct current address registered. We must ship items to the address registered with your account.

In the event buyer desires to pay by using a credit card, a convenience processing fee equaling an average of 4.0% of the entire amount due shall be added to the buyer's invoice.
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101
AJ Morse & Son Five Bolt Antique Diving Helmet Circa 1912103 - AJ Morse & Son Five Bolt Antique Diving Helmet Circa 1912
Nation’s Attic Inc.
One of the most desirable and rare American diving helmets is the five-bolt pattern manufactured by the A.J. Morse & amp; Son company of Boston,...
Bidding Has Concluded
Estimate : 7,500.00 - 12,500.00
Sold to floor for 12,500.00
 
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102
1940 Johnson & Joseph Ship Chandlers Marine Hardware Catalog104 - 1940 Johnson & Joseph Ship Chandlers Marine Hardware Catalog
Nation’s Attic Inc.
Here is a very rare original 1940 Johnson & amp; Joseph Ship Chandlers Marine Hardware Catalog. This company was located in San Francisco, CA an...
Bidding Has Concluded
Estimate : 100.00 - 200.00
Sold to floor for 43.75
 
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103
A.J. Morse & Son Circa 1908 Antique Diving Helmet106 - A.J. Morse & Son Circa 1908 Antique Diving Helmet
Nation’s Attic Inc.
This helmet was made by arguably the most famous American helmet maker, the A.J. Morse & amp; Son Company. Located in Boston, Massachusetts, thi...
Bidding Has Concluded
Estimate : 3,500.00 - 5,500.00
Sold to floor for 7,500.00
 
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104
AJ Morse & Son Diving Helmet Threaded Faceplate107 - AJ Morse & Son Diving Helmet Threaded Faceplate
Nation’s Attic Inc.
This is an authentic and original AJ Morse threaded faceplate. The inner threads measure 5 inches in diameter. The outer frame is 5.75 inches in diame
Bidding Has Concluded
Estimate : 100.00 - 200.00
Sold to floor for 1,125.00
 
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105
AJ Morse & Son Antique Diving Helmet Faceplate Guard108 - AJ Morse & Son Antique Diving Helmet Faceplate Guard
Nation’s Attic Inc.
This is an authentic and original AJ Morse faceplate guard. From the outer edge of the screw mounting point to the opposite side, it measures 5.25 inc
Bidding Has Concluded
Estimate : 100.00 - 200.00
Sold to floor for 106.25
 
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106
Rare Alfred Hale Rubber Co Boston Antique Diving Helmet109 - Rare Alfred Hale Rubber Co Boston Antique Diving Helmet
Nation’s Attic Inc.
Established in 1830s Boston, Alfred Hale & amp; Company was the premier—and far more elusive—rival to the famed A.J. Morse & amp...
Bidding Has Concluded
Estimate : 5,000.00 - 10,000.00
Sold to floor for 8,750.00
 
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107
1937 AJ Morse & Son Diving Apparatus Company Catalog110 - 1937 AJ Morse & Son Diving Apparatus Company Catalog
Nation’s Attic Inc.
Many times rarer than finding an authentic AJ Morse diving helmet is actually discovering an original catalog! Original surviving paper, especially an
Bidding Has Concluded
Estimate : 200.00 - 400.00
Sold to floor for 275.00
 
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108
1935 A. Schrader’s Son Diving Apparatus Company Catalog111 - 1935 A. Schrader’s Son Diving Apparatus Company Catalog
Nation’s Attic Inc.
Many times rarer than finding an authentic Schrader diving helmet is actually discovering an original catalog! Original surviving paper, especially an
Bidding Has Concluded
Estimate : 100.00 - 300.00
Sold to floor for 531.25
 
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109
1800s Alfred Hale Neck Feed Antique Diving Helmet112 - 1800s Alfred Hale Neck Feed Antique Diving Helmet
Nation’s Attic Inc.
This helmet was made by one of the most famous and also elusive American helmet makers, Alfred Hale & amp; Company. Located in Boston, Massachus...
Bidding Has Concluded
Estimate : 7,500.00 - 15,000.00
Sold to floor for 20,000.00
 
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110
Rare AJ Morse & Son Mechanical Trigger Lock Dive Knife113 - Rare AJ Morse & Son Mechanical Trigger Lock Dive Knife
Nation’s Attic Inc.
Originating from the 1917 AJ Morse catalog, this spring-lock mechanism knife is an extraordinary find and arguably one of the rarest American diving k
Bidding Has Concluded
Estimate : 3,000.00 - 5,000.00
Sold to floor for 2,500.00
 
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111
Unused Morse Diving Equipment Leather & Lead Weight Belt114 - Unused Morse Diving Equipment Leather & Lead Weight Belt
Nation’s Attic Inc.
This is a very nice unused Morse Diving Equipment Company weight belt. The belt is black leather and still in excellent condition. It has been stored
Bidding Has Concluded
Estimate : 500.00 - 1,000.00
Sold to floor for 1,125.00
 
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112
Unique & Rare Daspit Inman One Of A Kind Diving Helmet115 - Unique & Rare Daspit Inman One Of A Kind Diving Helmet
Nation’s Attic Inc.
“Anything Underwater, Around The Clock, Around The World!” This bold declaration, etched directly into the brass, serves as the intr
Bidding Has Concluded
Estimate : 7,500.00 - 17,500.00
Sold to floor for 12,500.00
 
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113
1929 I Like Diving Tom Eadie S-51 Salvage116 - 1929 I Like Diving Tom Eadie S-51 Salvage
Nation’s Attic Inc.
I Like Diving, by Tom Eadie. 1931 Houghton Mifflin, Boston. Eadie was a diver and associate of salvage expert Edward Ellsberg and the recipient of bot
Bidding Has Concluded
Estimate : 50.00 - 100.00
Sold to floor for 150.00
 
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114
Fathoms Below. Salvage diving by USN Master Diver Meier117 - Fathoms Below. Salvage diving by USN Master Diver Meier
Nation’s Attic Inc.
Fathoms Below. Under-Sea Salvage from Sailing Ships to the Normandie, by Frank Meier. A highly collectible commercial diving book dealing with salvage
Bidding Has Concluded
Estimate : 50.00 - 100.00
Sold to floor for 150.00
 
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115
Rare John Date Montreal Canada Vintage Diving Helmet118 - Rare John Date Montreal Canada Vintage Diving Helmet
Nation’s Attic Inc.
This beautiful 20th Century diving helmet was made by John Date in Montreal, Canada. John Date was the only diving helmet manufacturer in Canada. Star
Bidding Has Concluded
Estimate : 7,000.00 - 10,000.00
Sold to floor for 15,000.00
 
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116
Rare John Date Montreal Canada Mark V Style Dive Knife119 - Rare John Date Montreal Canada Mark V Style Dive Knife
Nation’s Attic Inc.
While this piece bears the classic silhouette of a standard US Navy diver’s knife, closer inspection reveals it to be an exceptionally rare v
Bidding Has Concluded
Estimate : 500.00 - 2,000.00
Sold to floor for 6,562.50
 
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117
Historical Diving Society USA Journals 1993 to 2016120 - Historical Diving Society USA Journals 1993 to 2016
Nation’s Attic Inc.
This is an incredible repository of diving history contained within this collection of nearly all the Historical Diver and later renamed Journal of Di
Bidding Has Concluded
Estimate : 200.00 - 500.00
Sold to floor for 937.50
 
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118
1950s Craftsweld Equipment Copper / Brass Diving Helmet121 - 1950s Craftsweld Equipment Copper / Brass Diving Helmet
Nation’s Attic Inc.
This helmet is a seldom-seen example made by the Craftsweld Equipment Corporation in New York, NY. Craftsweld purchased the diving equipment assets of
Bidding Has Concluded
Estimate : 3,500.00 - 5,000.00
Sold to floor for 6,875.00
 
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119
Diving Equipment & Supply DESCO Weight Belt122 - Diving Equipment & Supply DESCO Weight Belt
Nation’s Attic Inc.
This is a nice vintage Diving Equipment and Supply Company DESCO weight belt. There is approximately 45 pounds of lead on this heavy canvas belt with
Bidding Has Concluded
Estimate : 350.00 - 800.00
Sold to floor for 1,125.00
 
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120
US Navy Standard Diving Knife Used With Mark V Helmet Replica123 - US Navy Standard Diving Knife Used With Mark V Helmet Replica
Nation’s Attic Inc.
This is an unusual replica of the US Navy standard diving knife used with the Mark V diving helmet. This knife features a black painted aluminum sheat
Bidding Has Concluded
Estimate : 50.00 - 250.00
Sold to floor for 162.50
 
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121
Jenny Caribbean 300 50th Anniversary 1000m Dive Watch124 - Jenny Caribbean 300 50th Anniversary 1000m Dive Watch
Nation’s Attic Inc.
Up for auction is a stunning, like-new Jenny Caribbean 50th Anniversary Limited Edition (released in 2015). This particular timepiece is highly collec
Bidding Has Concluded
Estimate : 500.00 - 1,000.00
Sold to floor for 687.50
 
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122
1917 US Navy Mark V Diving Helmet A. Schrader’s Son #82126 - 1917 US Navy Mark V Diving Helmet A. Schrader’s Son #82
Nation’s Attic Inc.
This exceptional offering represents a cornerstone of maritime history: a U.S. Navy Mark V Diving Helmet manufactured by the prestigious A. Schrader...
Bidding Has Concluded
Estimate : 7,000.00 - 15,000.00
Sold to floor for 10,312.50
 
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123
Rare US Navy Diving Apparatus Nov. 1st 1917 Manual Supplement127 - Rare US Navy Diving Apparatus Nov. 1st 1917 Manual Supplement
Nation’s Attic Inc.
This is a rare piece of diving history ephemera! This is a US Navy Department Specifications supplement to be included with the December 1st, 1915, di
Bidding Has Concluded
Estimate : 50.00 - 250.00
Sold to floor for 593.75
 
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124
United States Navy Mark V Diving Helmet Aluminum Plaque128 - United States Navy Mark V Diving Helmet Aluminum Plaque
Nation’s Attic Inc.
This is a nicely detailed US Navy Mark V diving helmet plaque. It measures 6.5 inches tall and weighs one pound. This is a contemporary piece ready fo
Bidding Has Concluded
Estimate : 25.00 - 50.00
Sold to floor for 162.50
 
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125
United States Navy Diving Apparatus Schrader Aluminum Plaque129 - United States Navy Diving Apparatus Schrader Aluminum Plaque
Nation’s Attic Inc.
This is a nicely detailed US Navy Standard Diving Apparatus A. Schrader’s Son Inc plaque. This contemporary piece is made of aluminum. It is
Bidding Has Concluded
Estimate : 25.00 - 50.00
Sold to floor for 300.00
 
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126
Original Brass Divers Heavy Weight Belt Buckle130 - Original Brass Divers Heavy Weight Belt Buckle
Nation’s Attic Inc.
Original brass heavyweight divers belt buckle. These are two pieces that latch together. If you are restoring a vintage belt, this is a key piece of h
Bidding Has Concluded
Estimate : 25.00 - 50.00
Sold to floor for 62.50
 
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127
United States Navy Diving Apparatus Schrader Brass Plaque131 - United States Navy Diving Apparatus Schrader Brass Plaque
Nation’s Attic Inc.
This is a nicely detailed US Navy Standard Diving Apparatus A. Schrader’s Son Inc plaque. This contemporary piece is made of brass. It is sta
Bidding Has Concluded
Estimate : 25.00 - 50.00
Sold to floor for 225.00
 
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128
WW2 Schrader Air Control Valve With US Navy Inspection Stamp132 - WW2 Schrader Air Control Valve With US Navy Inspection Stamp
Nation’s Attic Inc.
This is a very nice original WWII era Schrader air control valve. The valve is stamped Schrader USA. There is also a US Navy inspection stamp, proving
Bidding Has Concluded
Estimate : 200.00 - 450.00
Sold to floor for 500.00
 
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129
1951 US Navy Mark V DESCO Diving Helmet Korean War133 - 1951 US Navy Mark V DESCO Diving Helmet Korean War
Nation’s Attic Inc.
Used by the U.S. Navy from 1916 to the mid-1980s, the Mark V diving helmet is an icon of diving history and a favorite among collectors. Production of
Bidding Has Concluded
Estimate : 6,500.00 - 9,500.00
Sold to floor for 11,250.00
 
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130
DESCO US Navy Mark V Divers Brass & Canvas Boots134 - DESCO US Navy Mark V Divers Brass & Canvas Boots
Nation’s Attic Inc.
This is a nice pair of vintage DESCO made US Navy style lightweight diving boots. The white and black canvas body on each is in nice used condition. B
Bidding Has Concluded
Estimate : 200.00 - 500.00
Sold to floor for 275.00
 
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131
1945 DESCO Air Control Valve With US Navy Inspection Stamp135 - 1945 DESCO Air Control Valve With US Navy Inspection Stamp
Nation’s Attic Inc.
This is a very nice original 1945 dated DESCO air control valve. The valve is clearly stamped DESCO 1945 with model number. There is also a US Navy in
Bidding Has Concluded
Estimate : 200.00 - 500.00
Sold to floor for 531.25
 
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132
The Deep Sea Diver 1st Edition Robert Martin136 - The Deep Sea Diver 1st Edition Robert Martin
Nation’s Attic Inc.
The Deep Sea Diver, by Robert Martin. New Old Stock. Never sold or circulated. Referenced as “This book was the essential guide for historian
Bidding Has Concluded
Estimate : 200.00 - 400.00
Sold to floor for 187.50
 
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133
DESCO US Navy Mark V Diving Helmet Belt Buckle137 - DESCO US Navy Mark V Diving Helmet Belt Buckle
Nation’s Attic Inc.
This is a vintage US Navy Mark V diving helmet belt buckle made by Diving Equipment and Supply Company DESCO. The classic image of the Mark V helmet i
Bidding Has Concluded
Estimate : 50.00 - 200.00
Sold to floor for 100.00
 
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134
Single Pin Communications Line Fitting For US Navy Mark V Helmet138 - Single Pin Communications Line Fitting For US Navy Mark V Helmet
Nation’s Attic Inc.
Original brass communications line fitting for US Navy Mark V helmet. This fitting would have been on one end of the telephone or comms line. It would
Bidding Has Concluded
Estimate : 50.00 - 200.00
Sold to floor for 237.50
 
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135
G.I. Joe Deep Sea Diver Danger Of The Depths New In Box139 - G.I. Joe Deep Sea Diver Danger Of The Depths New In Box
Nation’s Attic Inc.
Highly detailed G.I. Joe Deep Sea Diver action figure! Brand new in box, this larger sized Mark V style diver was produced as part of the G.I. Joe Tim
Bidding Has Concluded
Estimate : 100.00 - 300.00
Sold to floor for 562.50
 
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136
1944 Morse US Navy Mark V Diving Helmet #’s Matching140 - 1944 Morse US Navy Mark V Diving Helmet #’s Matching
Nation’s Attic Inc.
Used by the U.S. Navy from 1916 to the mid-1980s, the Mark V diving helmet is an icon of diving history and a favorite among collectors. Production of
Bidding Has Concluded
Estimate : 7,000.00 - 11,000.00
Sold to floor for 16,250.00
 
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137
US Navy Mark V Divers Dress Size 2 Converse141 - US Navy Mark V Divers Dress Size 2 Converse
Nation’s Attic Inc.
This is a very nice vintage Converse Rubber Co divers dress or suit. This dress is punched for a Mark V diving helmet. It is a size 2 made in January
Bidding Has Concluded
Estimate : 200.00 - 600.00
Sold to floor for 531.25
 
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138
US Navy Mark V Divers Brass & Canvas Boots142 - US Navy Mark V Divers Brass & Canvas Boots
Nation’s Attic Inc.
This is a nice pair of vintage US Navy style lightweight diving boots. The boots appear to be made in the last 50 years. The white canvas body on each
Bidding Has Concluded
Estimate : 200.00 - 400.00
Sold to floor for 262.50
 
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139
WW2 US Navy Mark V Diving Helmet Morse Air Control Valve143 - WW2 US Navy Mark V Diving Helmet Morse Air Control Valve
Nation’s Attic Inc.
This is a nice, stamped Morse Diving Equipment air control valve. This piece of equipment was used with the US Navy Mark V diving helmet. It attached
Bidding Has Concluded
Estimate : 200.00 - 400.00
Sold to floor for 531.25
 
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140
US Navy Mark V Diving Helmet Morse Communications Brass Cap144 - US Navy Mark V Diving Helmet Morse Communications Brass Cap
Nation’s Attic Inc.
This an original stamped Morse – Boston Made In USA brass communications fitting cap for a US Navy Mark V diving helmet. These caps are commo
Bidding Has Concluded
Estimate : 75.00 - 150.00
Sold to floor for 200.00
 
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141
USN Mark V Diving Helmet Welding Shield145 - USN Mark V Diving Helmet Welding Shield
Nation’s Attic Inc.
A rarely found original welding shield for a US Navy Mark V diving helmet. These were attached to the hinge pin on the faceplate of the helmet. The sh
Bidding Has Concluded
Estimate : 300.00 - 600.00
Sold to floor for 212.50
 
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142
1945 US Navy DESCO Mark V Diving Helmet w/ History & Stamp146 - 1945 US Navy DESCO Mark V Diving Helmet w/ History & Stamp
Nation’s Attic Inc.
The US Navy Mark V is arguably the most iconic helmet design ever made. Its style and history have made it one of the most popular helmets among colle
Bidding Has Concluded
Estimate : 7,000.00 - 10,000.00
Sold to floor for 10,000.00
 
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143
US Navy Standard Diving Knife DESCO Used With Mark V Helmet147 - US Navy Standard Diving Knife DESCO Used With Mark V Helmet
Nation’s Attic Inc.
This is the classic United States Navy divers knife, commonly used in conjunction with the Mark V helmet. This example was made by Diving Equipment ...
Bidding Has Concluded
Estimate : 400.00 - 700.00
Sold to floor for 875.00
 
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144
Diving Equipment & Supply Co Navy Diving Knife Used With Mark V Helmet148 - Diving Equipment & Supply Co Navy Diving Knife Used With Mark V Helmet
Nation’s Attic Inc.
This is the classic United States Navy divers' knife, commonly used in conjunction with the Mark V helmet. This example was made by Diving Equip...
Bidding Has Concluded
Estimate : 400.00 - 600.00
Sold to floor for 406.25
 
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145
DESCO United States Navy Dive Knife Pre-1980149 - DESCO United States Navy Dive Knife Pre-1980
Nation’s Attic Inc.
This is the classic United States Navy divers knife, commonly used in conjunction with the Mark V helmet. This example was made by Diving Equipment ...
Bidding Has Concluded
Estimate : 400.00 - 700.00
Sold to floor for 531.25
 
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146
Rare Vince Forge Co WW2 US Navy Mark V Divers Knife150 - Rare Vince Forge Co WW2 US Navy Mark V Divers Knife
Nation’s Attic Inc.
The US Navy Standard Dive Knife, a stalwart piece of nautical equipment, boasts a well-defined look. However, during the 1930s and World War II, the V
Bidding Has Concluded
Estimate : 800.00 - 1,500.00
Sold to floor for 1,000.00
 
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147
Rare A. Schrader’s Son WW2 US Navy Mark V Divers Knife151 - Rare A. Schrader’s Son WW2 US Navy Mark V Divers Knife
Nation’s Attic Inc.
During World War 2 there were eight different companies that made and applied their names on US Navy diving knives. Examples from some of these compan
Bidding Has Concluded
Estimate : 1,000.00 - 3,000.00
Sold to floor for 2,000.00
 
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148
US Navy Divers Knife Morse New Sealed In Box152 - US Navy Divers Knife Morse New Sealed In Box
Nation’s Attic Inc.
This is the classic United States Navy divers' knife, commonly used in conjunction with the Mark V helmet. This example was made by Morse Diving...
Bidding Has Concluded
Estimate : 350.00 - 700.00
Sold to floor for 750.00
 
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149
US Navy Mark V Standard Diving Knife Circa World War 2153 - US Navy Mark V Standard Diving Knife Circa World War 2
Nation’s Attic Inc.
This is a circa World War 2 United States Navy standard diving knife typically used on conjunction with the Mark V diving helmet. This example does no
Bidding Has Concluded
Estimate : 300.00 - 500.00
Sold to floor for 625.00
 
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150
US Navy Mark V Diving Helmet Communications Fitting Cap DESCO154 - US Navy Mark V Diving Helmet Communications Fitting Cap DESCO
Nation’s Attic Inc.
This is a nearly brand-new brass Mark V diving helmet communications elbow cap stamped DESCO Milw. WI. The brass is nearly flawless with a nice shine.
Bidding Has Concluded
Estimate : 75.00 - 150.00
Sold to floor for 75.00
 
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