Single Barrelled 15 bore Percussion Sporting Gun
With 30 inch rebrowned sighted two stage barrel with turned girdle and breech signed on the top flat “JOSEPH MANTON & SON. 6 HOPLES STREET. CAVENDISH SQUARE. LONDON”, breech with platinum line and maker’s stamp, finely engraved tang, flat border and foliage engraved lock signed “JOSEPH MANTON & SON PATENTEES”, walnut half stock with chequered wrist and horn fore end cap, engraved iron furniture and brass mounted ramrod with extraction screw. London proof marks.
Literature: The Manton Supplement by Neal & Back page 268.