A diving knife by C.E Heinke known as a 'Stiletto' knife.
Double edged blade, one serrated, black rubber handle and leather belt hanger.
On the blade are the legends ' HEINKE. LONDON. STAINLESS STEEL.'
On the aluminium scabbard are the legends 'C.E HEINKE & CO LTD LONDON'
Measures 27.5cm long.