FRANCE ou BELGIQUE, milieu du XIXème siècle Percussion cap revolver pistol, Mariette system. Cylindrical case engraved with foliage and a bird in a circular medallion. With four barrels with four stripes, turning, with forced balls. Calibre 9 mm. Blackened wooden plates. Tail of annular trigger. Length. barrels: 6 cm - Total length: 16.8 cm. Spring driving the rotation of the barrels, with random blockings, but not of percussion. Missing notch. Oxidation and pitting.