Rare pocket knife pistol, with system, folding blade, with lock Round barrel. Breech with sides. Double-edged ejector blade and central groove, with notch, adjustable corkscrew serving as trigger. Stock with mother-of-pearl and tortoiseshell flanges. Iron and nickel silver fittings. Back of the stick with door for the housing of the ammunition. The arming of the bolt is close to the type of the Chassepot rifle. Length folded: 16,5 cm - Length with blade: 27,5 cm B.E. About 1870. Nota bene: no marking, nor punch, probably a very beautiful piece of mastery.