probably 12th century
H. 4.6 x Diam. 20.2 cm (1 13/16 x 7 15/16 in.)
Northern black ware of Cizhou type: light gray stoneware with dark brown glaze, the markings in overglaze iron oxide, the lowest portion of the exterior dressed with black slip. From the Xiaoyu cun kilns at Huairen, Shanxi province.
12th centuryChineseJian ware: dark gray stoneware with dark brown glaze, the markings in iron oxide; the rim banded with metal. From the kilns at Shuiji, Jianyang county, Fujian province.
12th-13th centuryChineseLongquan celadon ware: molded light gray stoneware with grayish olive celadon glaze
12th-13th centuryChineseSplashed Jun ware: light gray stoneware with robin's-egg blue glaze enlivened with purple suffusions from copper filings
12th-13th centuryChinese'Qingbai' ware: porcelain with pale bluish glaze over incised and carved decoration, the interior with appliqué containers, stylized sculpture, and leaf stems, the appliqué elements touched with iron-brown slip to add areas of localized color in firing. Probably from a kiln in Fujian province.
12th-13th centuryChineseYaozhou ware: light gray stoneware with celadon glaze over incised, carved, and combed decoration. From the Yaozhou kilns at Tongchuan, Shaanxi province.
12th centuryChineseNorthern black ware of Cizhou type: light gray stoneware with dark brown glaze, the russet markings in overglaze iron oxide
12th centuryChineseJizhou-type ware, probably Tushan ware: light gray stoneware with variegated dark brown and transparent amber glazes over white slip ground. Probably from the kilns at Tushan, Sichuan province
12th-14th centuryChineseRusset Yaozhou ware: light gray stoneware with russet-surfaced dark brown glaze. From the Huangpu kiln complex, Tongchuan, Yaozhou county, Shaanxi province.
11th-12th centuryChineseNorthern black ware of Cizhou type: light gray stoneware with bluish-black glaze, the decoration painted in overglaze iron-oxide
12th-13th centuryChineseQingbai ware: porcelain with pale blue glaze over carved and incised decoration
11th-12th centuryChineseDing ware: porcelaneous white stoneware with ivory-hued glaze over incised and carved decoration, the unglazed rim bound with brass. From the Ding kilns at Quyang, Hebei province.
11th-12th centuryChinese