A marbleized stoneware box Showa (1926–1989) or Heisei (1989-2019) era, late 20th century The rounded rectangular box with close-fitting lid, modeled in different-colored clays with a design of yellow flowers and green leaves, applied with a silver rim, signed on the base with a single incised character Ko Wood tomobako storage box inscribed Seihaku neriage tobako (Pale green and white marbleized ceramic box), signed Kosei, and sealed 5 1/4in (13.4cm) high, 9in (22.8cm) wide