Manufactured circa 1861 to 1863 with an estimated total production of only a few hundred. The top barrel flat is marked "E.A. PRESCOTT, WORCESTER, MASS./PAT. OCT. 2 1860". Matching numbers on frame, grips, cylinder pin, and cylinder. The barrel and cylinder are finished blue, the brass frame and trigger guard are silver plated, and the revolver is fitted with smooth varnished two piece grips. Prescott revolvers were infringements on the Rollin White patent, and the production of this and other Prescott models were stopped through legal action by Smith & Wesson. Some of these revolver were carried by Union officers and enlisted men as personal sidearms.