6.25inch sighted barrel, scroll engraved cylinder and frame, stamped with the serial no. 2003, spur trigger guard, cylinder and hinged back plate ejecting to the right side, chequered varnished wooden grips, the butt with lanyard ring. Designed by Alexandre Guerriero, Count de St Angelo the ejecting cylinder system was patented in Great Britain in 1863 and France in 1866, however the basis of this mechanism was later copied by Smith & Wesson. See page 102 Pinfire Pistols, Revolvers and Ammunition Handbook by Steve Jordan.