1920s British Siebe Gorman & Co London 6 Bolt Deep Sea Diving HelmetGold Coast Auctioneers4.4(240)$100(2 bids)Feb 15, 2026
SoldOriginal Bob Ratcliffe Rat Hat Diving HelmetWe are proud to be offering one of the most iconic diving helmets of the late 20th Century ever made, the Bob Ratcliffe Rat Hat. This helmet belonged to a Oceaneering employee and former US Navy SealSee Sold Price
SoldBob Ratcliffe Rat Hat Oceaneering Diving HelmetOne of the most iconic and historic diving helmets from the late 20th Century is the Rat Hat. Designed by Bob Ratcliffe, this fiberglass helmet was prized by divers worldwide. This specific example waSee Sold Price
SoldThree Vintage Oceaneering Rat Hat Diving Helmet ShirtsThere can not be many of these original Oceaneering t-shirts in existence, especially in this condition. This lot features three original shirts with the iconic Rat Hat diver image on them. The left iSee Sold Price
SoldVintage Oceaneering Rat Hat Diving Helmet T-ShirtsThere can not be many of these original Oceaneering t-shirts in existence, especially in this condition. This lot features four original shirts with the iconic Rat Hat diver image on them. All of theSee Sold Price
SoldEarly Rat Hat Style Fiberglass Diving HelmetThis is a very interesting and possibly unique fiberglass diving helmet that has been recently discovered. Found in Canada, this helmet has a strong resemblance to the famed Rat Hat designed by Bob RaSee Sold Price
SoldDESCO Free Flow Air or Pot Hat Helmet Neck RingThis is an original Diving Equipment & Supply Company Air Hat or Pot Hat diving helmet neck ring. Brass ring is in excellent condition, neoprene material is original and adequate for display purposes.See Sold Price
SoldMorse Diving Equipment Non-Return Air ValveVintage non-return valve made by the Morse Diving Equipment Company in Boston. Same style used on Mark V helmets as well as commercial hats. Nice original condition. All items will be shipped with a sSee Sold Price
SoldMark V Diving Helmet Original Spitcock ValveExcellent condition US Navy Mark V diving helmet spitcock valve. This is a vintage component, likely made during World War 2. While substile, this one appears to be a style used by DESCO. Perfect piecSee Sold Price
SoldVintage Korean KIM 3 Light 12 Bolt Diving HelmetAn original unrestored vintage diving helmet in 3 light 12 bolt pattern. KIM in Korea made this helmet. The original brass ID plate is still present on the breastplate but very difficult to read. TheSee Sold Price
SoldYokohama Diving Helmet Brail Set + ExtrasThis is a nice original set of diving helmet brails or straps for a Yokohama Japanese diving helmet. The straps are brass and well used. Each has a corresponding number stamped on the end to ensure prSee Sold Price
SoldG.I. Joe & His K-9 Pups ToyG.I. Joe and His K-9 Pups Toy, Unique Art Mfg. Co., tin Litho, key wind, he walks and his hat bobs, original box, 9" x 3 1/2" x 3 1/2", circa 1940s. CONDITION: Excellent, working cond., box with losseSee Sold Price
SoldOriginal USN Mark 12 Diving Helmet Drawings 2 Large VolumesThis is an original 2 volume set of reduced drawings for each and every part of the Mark 12 diving system. Each large volume measures 18 inches wide and 12 inches tall and weight approximately 10 pounSee Sold Price
SoldOriginal USN Mark 12 Diving Helmet HarnessThis is an original harness set-up for a Mark 12 diver. Appears to be in good condition with signs of age or minor use. All items will be shipped with a signature required upon delivery and full insurSee Sold Price
SoldMorse Model 15 Shallow Water Divers Air PumpThis is a very nice original Morse Diving Equipment Model 15 air pump. This is the same put that would accompany the Model 15 shallow water diving helmet. The original two piece cast iron handle and bSee Sold Price
SoldCopper and Brass Deep Sea Diving Hard Hat HelmetReproduction of an early 20th Century diver's bolted hard hat helmet. Good overall condition with normal storage wear. Measures approximately 7 1/2 in. 6 1/2 in. x 6 1/2 in. MMB in house USA continentSee Sold Price
SoldOriginal Soviet Navy Large Diver Diving Helmet FlagThis is an original Soviet Navy flag made in 1992. The flag measures 25 by 39 inches and is in new old stock condition. This type of flag was used by the rescue services in the old Soviet Navy. GreatSee Sold Price
SoldOriginal US Navy Mark 12 Diving Helmet BrochureDouble sided trifold brochure printed in late 1970s by Morse Diving Equipment. A later Morse sticker was placed on the front circa late 1990s. Piece is in excellent condition with some age on the fronSee Sold Price
SoldUS Navy Mark 12 Diving Helmet Breach RingVery nice original US Navy Mark 12 diving helmet breach ring. This ring retains all the original hardware and has never been bent! All items will be shipped with a signature required upon delivery andSee Sold Price
SoldImpressive Original TOA 3 Light 12 Bolt Diving HelmetFor your consideration is a beautiful original and early TOA Diving Equipment Company diving helmet. This helmet is in the classic configuration of 3 lights (windows) and 12 bolts. A fantastic patinaSee Sold Price
SoldMark V Diving Helmet Port Window Glass OriginalThis is a full set of replacement glass for a Mark V helmet. Note the curved edges of the glass, making it difficult and expensive to have made today. This set is free of any cracks and ready to instaSee Sold Price
SoldOriginal Morse Diving USN Mark 12 Diving Helmet Trifold BrochureDouble sided trifold brochure printed in the late 1970s by Morse Diving Equipment. A later Morse sticker was placed on the front circa late 1990s. The piece is in excellent condition, with some age onSee Sold Price
SoldOriginal Morse US Navy Mark 12 Diving Helmet BrochureThis is a double sided trifold brochure printed in the late 1970s by Morse Diving Equipment. A later Morse sticker was placed on the front circa late 1990s. The brochure is in excellent condition. PerSee Sold Price
SoldOriginal Morse US Navy Mark 12 Diving Helmet BrochureThis is a double sided trifold brochure printed in the late 1970s by Morse Diving Equipment. A later Morse sticker was placed on the front circa late 1990s. The brochure is in excellent condition. PerSee Sold Price
Sold1943 US Navy Mark V Diving Helmet WWII Navy Lend LeaseFantastic original United States Navy Mark V diving helmet! This helmet in late 2020 was discovered in Eastern Europe, where it has been in storage since shortly after World War 2. The previous ownerSee Sold Price
