A VERY RARE 22-BORE FLINTLOCK SPORTING GUN FOR A BOY with three-stage sighted barrel signed in full on the top flat, engraved breech with platinum lines and vent, foliate engraved tang, signed foliate engraved patent lock with roller, 'French' cock (top jaw missing, screw incomplete) and V-shaped pan, figured walnut half-stock, chequered grip, steel mounts engraved with scrolling foliage including butt-plate and trigger-guard with pineapple finial, silver escutcheon engraved with owner's crest, and horn fore-end cap (blackened patination overall, ramrod missing), by John Manton & Son, Dover Street, London, London proof marks, No.10587 for 1830