Edo period (1615-1868), probably mid-19th century Comprising four plectrums of different sizes and materials used for playing the biwa and the shamisen, two of ivory, one of whalebone and one of wood and ivory, the last inscribed Ichihana shi (Mr Ichihana); each with a later custom-made display stand. The largest: 25.7cm (10 1/16in) high; the smallest: 18.9cm (7½in) high. (8).