A .410 SINGLE-BARRELLED HAMMER GUN BY J. LAPTHORNE, No. 3116, converted from a rook-rifle calibre, sidelever, rebounding backlock, percussion fence, foliate-scroll engraving with some hardening-colour (renewed), well-figured stock with butt-plate, the barrel of octagonal-section turning to round-section towards the muzzle Weight 5lb., 14 1/8in. pull, 28in. barrel, approx.½ choke, 2½in. chamber, nitro reproof