Enamel
20th centuryAustrianTerracotta
5th century BCEGreekPale green glass
4th century CERomanSilver
18th centuryBritishTerracotta
Fritware
12th-13th centuryPersianTang/Five Dynasties white ware, possibly Xing ware: porcelain with clear glaze, the barbed rim knife-cut. Possibly from the Xing kilns, Hebei province.
9th-10th centuryChineseTerracotta
4th century BCEGreekMetal
20th centuryGermanJian ware: gray stoneware with dark brown glaze, the markings in iron oxide. From the kilns at Shuiji, Jianyang county, Fujian province.
12th-13th centuryChineseYaozhou ware: light gray stoneware with pale bluish green celadon glaze over a thin white-slip ground
10th-11th centuryChinese