Ball" rimfire and breech loading rifle, seven shots, caliber 50 Rimfire. Round barrel, rifled, of 52 cm, with notch of sight. Lever of opening of the breech by the trigger guard. Round-bodied hammer and flat-bodied rear plate. Breechblock marked on the left side "E.G. LAMSON & Co WINDSOR V.T. U.S. BALLS PATENT JUNE 23 1863 MAR 15 1864 " With saddle ring and iron ramrod. Bronze finish with patina. Total length : 92 cm B.E. Only 1,002 produced. The American government ordered one in 1864, which was delivered in May 1865.