Storage jar, 15th century, Unknown Japanese, 17 7/8 ? 14 1/2 ? 14 3/4 in. (45.4 ? 36.83 ? 37.47 cm), Shigaraki ware; stoneware with natural ash glaze, Japan, 15th century, The town of Shigaraki, southeast of Kyoto, was one of Japans great pottery-mak