Paul Giffard" liquefied gas bolt action pistol, Carbona model, single shot, 4.5 mm caliber. 272 mm round barrel , marked "STEPHANOISE D'ARMES - ST ETIENNE", with adjustable rise. Carcass engraved with foliage scrolls. Tubular gas tank cartridge, grooved, screwed under the barrel. trigger guard rests finger in continuation. Plates of stick in drowning partly squared. Length: 44 cm B.E. Pitting marks on the left side . Paul Giffard: Inventor of the rifle and the pistol tank with liquefied gas. Patent of 1862 for a weapon of living room, hunting, war, with compressed air.