AN UNUSUAL FLINTLOCK BOX-LOCK POCKET PISTOL with turn-off barrel (replaced), cylindrical breech with raised off-set pan, signed action engraved with trophies of arms (top jaw and screw replaced), engraved off-set thumpiece safety-catch also locking the steel (both replaced), engraved trigger-guard, off-set trigger, and flat-sided figured walnut butt, by Durs Egg, London, London proof marks, early 19th Century