Manufactured from 1876 to the 1880s these revolver were known as the "Army Revolver" and had a total production of several thousand. This is a later production model with top strap, bird's head butt and conventional fluted cylinder. The rib on the replacement renumbered to match barrel is marked with the one-line Merwin Hulbert address/patent dates, and the frame is marked "CALIBRE/WINCHESTER" followed by "1873" on the left side and the "MERWIN, HULBERT & CO. N.Y./POCKET ARMY" on the right side. The serial number is marked on the butt, and the matching assembly number "3505" is marked on the grip frame, rear cylinder face and barrel lug. The 3 1/4 inch barrel is marked with the two-line Hopkins & Allen address/patent dates legend and has matching assembly number "3505." Provenance: The Buckstix Collection