Manufactured in circa 1900, this fine classic sidelock hammergun features blued barrels respectively signed “W.J. JEFFERY & CO.” and “13 KING STREET ST. JAMES’ LONDON. S.W.”, each engraved with a band of stylized foliage at the breech end, and file cut matted raised solid rib with bead front sight. Casehardened side-clipped treble grip action with enclosed cross pin and blued toplever. Rebounding sidelocks each signed “W.J. JEFFERY & CO.” within a ribbon. The whole finely and profusely engraved with classic English scrollwork. The underside of the barrels and water table struck with Birmingham nitro proof and nitro reproof marks. Well figured 14 1/4 inch walnut semi-pistol grip stock with grooved dark horn butt plate, carved drop points and panels of multipoint checkering to the grip and forearm, the latter with blued Anson push button release. The underside of the butt with blank silver oval initial escutcheon. Barrel measurements (R/L) reproved at 18.6mm/18.5mm (.732/.728 inches), measuring 18.6mm/18.5mm (.732/.728 inches), 70 mm (2 3/4 inch) chambers, chokes .015/.040 inches, minimum wall thickness 0.031/0.029. Weight 8 lbs. 1 oz. Provenance: The Malcolm King Collection