Siebe Gorman Divers knife Marked as per title
Non Magnetic with 7.5 Inch Double Edged Blade of Diamond section.
With Non Metalic Chrome plated hilt and black Bakelite handle,chrome pommel in a tinned brass scabbard with grey leather frog 35 cm long.
See page (103 Vol 2  Diving Helmets and Equipment Through The Ages )
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