?An Edwardian silver butt marker, by Harry Akerman, London 1902, retailed by Thornhill, Bond Street, patent no. 20128, modelled as a powder flask, hinged base and cover, with nine numbered ivory balls, length 5.8cm, approx. weight 0.oz. Provenance: A Private Collection. Purchased from Hancocks, Burlington Arcade, London, 11 June 1998.