Yasuhisa Kohyama (b. 1936) three piece bone porcelain Sado tea set comprising one matcho tea bowl, a smaller tea bowl and a tea cup, each with ocre stripe and artist's stamp to base (3). Diameter 13.5 cm, 8.5 cm, 7.5 cm, tallest. Height approx 7 cm. Provenance: Estate of Prof. Alan Walker