The reasons one person values one rifle more than another person does vary with the individual person and the individual rifle. E.g.:
Some collectors would value the 1942 rifle higher because it's wartime production so it may have seen service in WWII, though it probably can't be proved that that very rifle went overseas.
Some would value the Long Branch higher because it's Canadian (especially Canadian collectors.)
Some might pay more for either because they don't have that particular variant in their collection.
I'd rather have the 1954 ROF(F) because it's a No.4Mk.2 and I'd want it for shooting, not collecting, but I would be unlikely to pay more for that reason than a collector would pay for 1942 Long Branch.
If I owned them both I'd sell the Long Branch first, hoping to get more for it than for the Faz, and preferring to keep the latter for shooting.