Bowl with In-Curving Rim and Partridge-Feather Mottles

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

Longquan celadon ware: light gray stoneware with bluish green celadon glaze over applique decoration

Qingbai ware: molded porcelain with pale blue glaze embellished with iron-brown splashes

Painted Jizhou ware: very light gray stoneware with clear glaze over decoration painted in iron-brown slip. From the Jizhou kilns, near Yonghe, Ji'an, Jiangxi province.

Probably misfired Longquan celadon ware: light gray stoneware with transparent, olive-hued celadon glaze over appliqué molded decoration

Ding ware: porcelaneous white stoneware with ivory-hued glaze over mold-impressed decoration, the unglazed rim bound with metal. From the Ding kilns at Quyang, Hebei province.

Northern black ware of Cizhou type: light gray stoneware with dark brown glaze, the markings in overglaze iron oxide

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

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

Jizhou ware: light gray stoneware with dark brown glaze, the decoration painted in overglaze buff slip. From the Jizhou kilns at Yonghe, Ji'an, Jiangxi province.

Jizhou ware: light gray stoneware with dark brown and transparent amber glazes. From the kilns at Yonghe, Ji'an, Jiangxi province.

Qingbai-type ware: molded pale gray stoneware with pale sky-blue glaze