Flattened Jar, Sui (581?618)?early Tang (618?907) dynasty, ca. late 6th?7th century, China, Stoneware with molded decoration under olive-yellow glaze, H. 8 15/16 in. (22.7 cm); W. 7 5/8 in. (19.4 cm); D. 4 1/4 in. (10.8 cm), Ceramics, The mold-impres