A good American Sharps new model 1863 carbine number C 12906 without patch-box. The back of the carbine sling is marked TWR for Thomas W. Russell and the same mark is to be found on the left side of the barrel. The lock is marked C. SHARPS PAT. OCT. 5TH 1852 and R. S. LAWRENCE PAT. APRIL 12TH 1859 on the right side and C. SHARPS PAT. SEPT. 12TH 1848 on the left side. The round barrel is c 21 inches long marked NEW MODEL 1863 behind the back sight and R. S. LAWRENCE PATENTED??? TH 1859 beneath the sight.