According to Clive Law's book on the Inglis Hipower, the Canadian Navy adopted the Hipower in 1949, so the Army sent them just about the last of the no1mk1 Hi-powers they had left over from a canceled Chinese foreign aid contract. Inventory in 1966 showed 2735 of the Chinese type Inglis in Navy inventory, compared to just 7 of the no2mk1 variety.
Of course, this win was negated on unification, and the Cdn forces supply system had to take all the CH pistols back and give the Navy proper T serialized pistols.
One of the WWII firearms in the Navy's arsenal would have been the Lanchester sub machine gun. I have a C/l\ marked Lanchester pouch in my collection, along with a dewat Lanchester.