Description A SPRATTS PATENT SPORTSMAN'S POCKET-KNIFE, combining 12-bore and 16-bore cartridge extractors, stout blade, button hook, tweezers and corkscrew, the blade stamped Joseph Westby Sheffield?and engraved SPRATT'S GAME MEAL to one side and SPRATT'S "CRISSEL" to the other, the handle side plates of stag horn inset with square panels stamped SPRATTS PATENT