Very rare, First Type Colt No3 Thuer Deringer s/n 928 with raised bolster, on the forward section of the frame, high hammer and tight grip. Manufactured in obsolete .41 rimfire calibre, circa 1870. Large -COLT- in italic letters on top of the barrel. Complimented with two-piece highly-figured select walnut grips. Overall in very good condition for this very rare, hard to find model. Good action and excellent minty bore.