A Percussion Dueller by John Manton & Son. With re-browned sighted octagonal barrel, signed in script John Manton & Son Dover Street, London profusely engraved breech plug, with engraved platinum vent, profusely engraved tang incorporating rear-sight, border engraved lock decorated with scrolling foliage throughout and signed, JN MANTON & SON PATENT long nosed cock decorated en-suite, half-stocked in walnut and cut with chequering at the grip, with engraved rectangular escutcheon, profusely engraved steel mounts comprising butt cap, trigger guard and ramrod pipes. 

John Manton & Son

Gunmakers, 6 Dover St., Piccadilly, 1815-78. Originally John & George Henry Manton; became George Henry & Gildon Manton, 1834-54; Gildon Manton, 1854-6; Mrs Gildon Manton with Charles Coe. 

Howard L. Blackmore (1986) Gunmakers Of London, 1350-1850. George Shumway Publisher. USA. 

Dimensions:

Bore: 32 Bore

Barrel Length: 10 Inches (25.40 cm)

Overall Length: 15 Inches (38.10 cm)