Manufactured between 1863 and 1865, approximately 32,000 Model 1863 revolvers were manufactured by Starr with 25,000 purchased by the U.S. Government. The remainder were commercial sales, and this example being a civilian specimen. The left side of the frame is marked with the one-line address, and the right side has the one-line patent date. The letter "B" is marked on the barrel and trigger guard. The matching serial number is marked on the front of the frame, barrel underside, on the cylinder and in the hammer cut out. Dovetailed blade front and hammer notch rear sights, blue finish with casehardened hammer and loading lever, and fitted with a smooth one-piece walnut grip.