A .310 concealed hammer English rook rifle

A .310 concealed hammer English rook rifle, barrel 25 in., with matted top flat, one standing and one folding leaf sight, break open under lever action embellished with scroll engraving and basket weave panels, retailed by Charles H. Maleham and so marked to the barrel and action, walnut pistol grip stock with snap on fore end, vacant gold oval to the butt, basket weave textured steel butt plate, circa 1890. Obsolete calibre, no licence required in the UK.

For a discussion of this type of rifle see Colin Greenwood, 'The Classic Rook & Rabbit Rifle', pp. 111-122.