A MID-19TH CENTURY ENGLISH ADAMS PATENT-TYPE PERCUSSION REVOLVER. 4 in., .40 caliber octagon blued barrel with Birmingham proof marks on the underside, five shot blued cylinder with Birmingham proof marks on the exterior, blued frame, checkered walnut grips. Overall lg. 9 1/2 in. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing