Jian ware: dark gray stoneware with dark brown glaze, the markings in iron oxide. From the Jian kilns at Jianyang, Fujian province.
12th-13th centuryChineseHard-paste porcelain, polychrome enamel decoration, and gilding
18th centuryGermanSilver
18th centuryFrenchReddish earthenware covered in white slip and painted with black (manganese and iron), red (iron), and yellow-staining black (chromium) under clear lead glaze
10th centuryPersianSilver
20th centuryAmericanFritware painted in blue (cobalt) under clear alkali glaze
19th-20th centuryGray earthenware with traces of cold-painted pigment
1st century BCE-1st century CEChineseJian ware: dark gray stoneware with dark brown glaze, the markings in iron oxide, the lip banded with silver. From the kilns at Shuiji, Jianyang county, Fujian province.
13th centuryChineseImari celadon ware: fine-grained, light gray stoneware with decoration in cobalt blue under a celadon glaze
18th-19th centuryJapaneseCarved rhinocerous horn
18th centuryChineseStoneware
20th centurySwedish