Manufactured in 1874 as a first model with desirable raised thumbprint dust cover held in place by two integral guides. Fitted with German silver dovetail blade front and elevation adjustable notch rear sights, sling swivel on the forearm cap, and a hole for the absent rear sling swivel in the buttstock. Two-line address/patent markings on the top barrel flat, model designation on the upper tang that is drilled and tapped with filler screws, and small script serial number on the lower tang. Mounted with a smooth forearm and nicely figured straight grip stock with a trapdoor crescent buttplate (cleaning rod not included).