With browned damascus bolstered round barrel with short sighting flat at the breech end engraved with a sunburst and signed “CHAS. OSBORNE & CO. 10 YORK BUILDINGS, ADELPHI, LONDON, W.C.”. Border engraved casehardened action with blued top lever, arcaded fence and automatic safety, and dipped edge side lock. Furniture comprising blue trigger guard and casehardened pistol grip cap. Figured walnut pistol grip stock with rubber recoil pad, checkered grip and forearm, and dark horn forearm cap. Provenance: Thomas R. Prudente Collection, Christie’s, London, December 17, 2015, lot 96.