A .22 SINGLE-BARRELLED HAMMERLESS ROOK-RIFLE BY HOLLAND & HOLLAND, No. 24209, converted from a rook-rifle calibre, non-selective ejector, lobate fences, best foliate-scroll engraving, figured stock with pistolgrip and engraved pistolgrip-cap, cast-off across-eyed, the octagonal barrel with matt-top and open-sights