Considered the second production type, the receiver is marked with the normal four line marking; “U.S. / S. NORTH / MIDL tn / CONN 1835” Condition is considered excellent for this 179 year old example. CS Arsenal conversion, with all metal parts finished bright, wood surfaces in excellent condition for utilized example.Unique archaic conversion method to percussion. Left side of stock near breechblock, exhibits stamped letters of final inspector NWP, representing final inspector N.W. Patch.