Small Circular Bowl with Stylized Lotus and Wave Decor

Jian ware: dark gray stoneware with dark brown glaze, the markings in iron oxide; the lip banded with metal. From the kilns at Shuiji, Jianyang, county, Fujian province

Northern black ware of Cizhou type: off-white stoneware with dark brown glaze

Yaozhou ware: molded light gray stoneware with celadon glaze. From the Yaozhou kilns at Tongchuan, Shaanxi province.

Yaozhou ware: light gray stoneware with celadon glaze over molded decoration, the exterior with carved vertical lines suggesting petals. From the Yaozhou kilns near Tongchuan, Shaanxi province.

Qingbai ware: porcelain with pale sky-blue glaze over incised and carved

Splashed Jun ware: light gray stoneware with robin's-egg blue glaze enlivened with purple suffusions from copper filings

Northern black ware of Cizhou type: light gray stoneware with dark brown glaze, the rim with clear glaze over white slip

Cizhou ware: light gray stoneware with an all-over coating of white slip under a clear glaze

Splashed Jun ware: light gray stoneware with robin's-egg blue glaze enlivened with purple suffusions from copper filings

Jizhou ware: off-white stoneware with dark brown glaze. From the Jizhou kilns, near Yonghe, Ji'an, Jiangxi province.

Ding ware: porcelaneous white stoneware with ivory-hued glaze over incised decoration. From the Ding kilns at Quyang, Hebei province.

Russet Yaozhou ware: light gray stoneware with russet-surfaced dark brown glaze. From the Huangpu kiln complex, Tongchuan, Yaozhou county, Shaanxi province.