Another development to circumvent the British prohibition of the 450″ in India and the Sudan. The 475 No.2 Jeffery was loaded with the 500gr. bullet as opposed to the 475 No.2 which was the “standard” load with the 85gr. cordite load and 480gr. bullet These 2 cartridges were interchangeable, provided the regulated barrels on the doubles shot at the same point of impact for the different loads.
Note the “J” on the first specimen was added later on