The listing reads:

John Rigby Double Rifle .416/.470

John Rigby and Company Sidelock Double Rifle in .416/470. Ready for the dark continent, this game gun is of substance, with magnificent wood and metal work. Fantastic figure is found in the walnut stocks, tasteful engraving with the Surguja State Crest on the locks embellishes a rock-solid action. This rifle was built for the Maharaja of Surguja State in 1939. This is the only double of that caliber made by Rigby. Truly an unusual rifle. Makers case and accessories. This unique double rifle was completed by John Rigby & Co. and dispatched to the Maharaja of Surguja in 1939. Read the attached document for the history of the rifle.

link:

http://www.cabelas.com/cabelas/en/conten...erarchyId=10473