This Civil War production 1861 Navy revolver was manufactured in 1862 and carries U.S. military sub-inspector marks. "T" inspector on top rear grip straps, "O" on trigger guard, "C" on cylinder and barrel, and "B" also on cylinder. It has a German silver blade front sight, the one-line New York address on top of the barrel, "COLTS/PATENT" on the left of the frame, "36 CAL" on the left of the trigger guard, matching visible serial numbers including faintly visible properly handwritten number in black ink inside the grip mortise, with an unnumbered wedge. Provenance: The Phillip Otto Clark Collection