This is a smaller civilian version of the Model 1851/1854 Adams self-cocking revolver manufactured prior to Robert Adams starting the London Armoury Co. in 1856. It features blade and notch sights, London Gunmakers' Co. private proof and view marks, "DEANE ADAMS & DEANE, (MAKERS TO H.R.H. PRINCE ALBERT.) 30 KING WILLIAM STT. LONDON BRIDGE." on top of the top strap and barrel, fine acanthus scrollwork, "No. 5230./R" on the cylinder, "ADAMS'S PATENT No. 5230 (R)" on the lower right side of the frame, and a finely checkered and slender grip with hard rubber shell cap. It comes in a hardwood case with English fitted interior, Deane, Adams, & Deane trade label, green baize lining, bag shaped powder flask marked "G.&J. W.H." (G. & J. W. Hawksley), several lead balls, cleaning rod, screwdriver, nipple wrench, patch cutter, oiler, and a "REGISTERED/28 Nov/1851/R. ADAMS." The Adams revolvers were the first commercially successful double action revolvers. The improved Beaumont-Adams design was so popular that it forced Colt to close his London factory and was even manufactured and sold in the U.S. through Mass. Arms Co.