A 20-BORE PERCUSSION SPORTING RIFLE, rebuilt from flintlock, with lightly swamped browned twist octagonal sighted barrel signed in gold at the breech and rifled with eight shallow grooves, engraved case-hardened patent breech with pierced platinum plug, scroll engraved case-hardened tang, signed and engraved case-hardened detented lock with engraved safety-catch, figured walnut half-stock, cheek-piece, chequered grip, engraved blued iron mounts (forward sling mount removed), gold escutcheon, silver barrel-bolt escutcheons, set trigger, original brass-mounted ramrod, and some original finish, by Durs Egg, London, circa 1795, rebuilt by Purdey with a new breech, lock and barrel tang in circa 1830