A Scarce Forsyth Percussion Duelling Pistol, No.4022. With sighted octagonal barrel, signed FORSYTH & CO PATENT LONDON (feint) along the top-flat, fitted with rear-sight towards the breech, engraved double platinum lined breech block with platinum plug and stamped with London proofs below, profusely engraved tang, engraved back-action lock signed FORSYTH & CO PATENT and fitted with sliding safety catch, cock decorated en suite, set trigger, characteristic grip, cut with chequering a, vacant white metal escutcheon on the butt, border engraved trigger guard decorated with a spray of foliage on the bow.

FORSYTH & CO. 

A.J. Forsyth, J. Brougham & C.B. Uther (C.B. Other only from 1819), Patent Gun Manufacturers, 10 Piccadilly, 1809-16; 8 Leicester St, Leicester Square (pop. Sidneys Alley) 1816-52. Exhibited patent locks and safety gun, Great Exhibition, 1851.  

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: 16 Inches (40.64 cm)