Manufactured from 1866 to the 1880s. It features blade front and notch rear sight, "CONNECTICUT ARMS & MANF'G Co NAUBUC CONN." on the barrel and "PATENTED OCT. 25. 1864" on the breechblock, blued barrel and casehardened breechblock and frame, hard rubber grips, and matching numbers on the grip frame and left grip.

Exceptionally fine, retains 90% plus of the original blue and 95% nickel finishes with some light edge wear and scattered light handling marks. The grips are very fine with some scattered light handling marks and crisp checkering. Mechanically excellent.