The humble jack knife was issued to nearly all soldiers in the second world war. It was a useful tool that many of them kept after their return to civilian life.
There are several variations on the jack knife depending on period, service and manufacturer, including examples with spikes for opening out ropes.
This jack knife is commonly associated with the 1944 pattern jungle equipment and is sometimes referred to as a Burma knife, although it was in fact used widely in all theatres of operations in the post war period. The handle of the knife instructs the owner to oil the joints frequently, presumably to prevent rust on a vulnerable area whilst in use. Opening the knife out reveals a standard blade and a can opener/bottle opener:There is a ring on one end that allows a lanyard to be attached and the knife is clearly marked with a date of 1953, the /| British army mark and a manufacturer’s name