A Small 60-Bore Flintlock Box-Lock Pocket Pistol by D. Egg, London. With  turn-off barrel (some bruising) engraved with a foliate band at the rear and numbered 1 at the lug, rounded breech numbered to correspond, signed beneath the rectangular pan and engraved with characteristic branch on each side, border engraved action finely decorated with a differing trophy above a line of guilloche on both sides, thumb piece safety-catch also locking the steel, ring-neck cock with a serpent engraved on each side, folding trigger within a garland, figured flat-sided butt (some chips). 

Durs Egg

Son of Leonz Egg, gunmaker, Switzerland. Born 1748, baptised Urs Christian. After a short stay in Paris, came to London and worked for John Twigg, 1772. Granted denization in 1791. Gunmaker & Sword Cutler. Became gunmaker to George IV & Duke of York. Renowned for his fine workmanship. 

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

Dimensions:

Bore: 60-Bore

Barrel Length: 1 Inch (2.54 cm)

Overall Length: 4 Inches (10.16 cm)