02 - British Siebe Gorman 12 Bolt Diving Helmet
British Siebe Gorman 12-Bolt Helmet
This is a 'Pontoniers' (Ex-Dutch Army) converted to commercial helmet. Dated around the 1950's or possibly earlier. The collar has been changed from a 6-bolt to a 12-bolt. This one is fitted with a safety air inlet valve placed on the front breast plate. Comms inside the bonnet are intact.
It has matching numbers (#14779); a rarity for this style.
History: This helmet spent several years in Holland before being returned to the UK around 2015.
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