An English 12 bore percussion double gun

An English 12 bore percussion double gun, twist barrels 29.75 in., hollow top rib inscribed 'JOHN WIGGAN MAKER TO THE ROYAL FAMILY & THE PACHA OF EGYPT' [sic], engraved hook breech with platinum vent plugs, numbered 2265; well engraved locks with scrolls and each with a scene of a dog and a pheasant, each inscribed 'JOHN WIGGAN'; half stocked in walnut, the chequered grip fitted with a pistol extension, engraved steel furniture, brass tipped wooden ram rod; in a scarce type of slide-out fitted case with accessories comprising powder flask, shot flask, cap tin and glass oil bottle.