These derringers were introduced in 1870 and totaled around 48,000 produced. This derringer has gorgeous factory quality engraving on over half of the metal surfaces consisting mainly of highly detailed scrollwork as well as an ornate floral band around the muzzle. It is likely the engraving was executed in Britain by a skilled artisan or the retailer. The right side of the frame in inscribed by the retailer "E.M. REILLY & Co. LONDON. The top of the barrel has a rounded blade front sight and "COLT" in large italic letters and the bottom of the barrel has small British proofs. It is fitted with a pair of smooth grips that are each stamped/branded "894" on the inside. Includes a lightly tool, brown leather wrapped, hard case, cleaning rod/screwdriver, and a .41 RF cartridge.