Rare Revolver with system "Malherbe & Rissack", 6 blows, calibre 9 mm short with annular percussion with internal hammer. Barrel with sides, smooth, punched with the thunder of the manufacturer and the inventors "Prosper Malherbe & JJ Rissack Breveté" . Single barrel with short chamber. Carcass in steel and brass, finely engraved of foliage. Stick with two large plates in walnut varnished dark. Finishing blued. Length: 30 cmB .E. About 1860. Jean-Jacques Rissack (Father & Son) & J.P. Arms manufacturer and inventors in Hestal (Liege) . International Exhibition of Paris in 1855 (MH). From 1847 to 1863, they deposit about twenty patents relating to the rifles, the metal cartridges and especially the revolvers.

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