Height 5.6 cm, mouth diameter 20.4 x 21.4 cm, four legs
Tokyo National Museum
 This is a representative masterpiece among four-sided flat bowls, with a deep step at the waist and a roughly painted Masu pattern at the base. The green glaze is bright and soft throughout, and the bottom has solid legs on all four sides. It was donated to the Tokyo National Museum by Matsunaga Mian.