Glass
20th centurySwedishTerracotta; pale yellow clay and slip with light brown paint and applied purple
7th century BCEGreekSilver
18th centuryBritishTerracotta with traces of white decoration on black paint
4th century BCESouth ItalianEnameled blue-and-white ware: porcelain with decoration painted in underglaze cobalt blue and overglaze yellow enamel; with underglaze cobalt-blue mark reading "Da Ming Jiajing nian zhi" within a double circle on the base
16th centuryChineseYaozhou ware: light gray stoneware with celadon glaze over carved decoration. From the Yaozhou kilns near Tongchuan, Shaanxi province.
11th-12th centuryChineseCeramic
20th centuryJapaneseSteatite or chlorite
3rd millennium BCEMesopotamianSilver
18th centuryAmericanHard-paste porcelain decorated with polychrome enamels and gold
18th centuryGermanGray stoneware
2nd-1st century BCEChineseMonochrome glazed ware, "mirror black" type: porcelain with black glaze and with traces of decoration in overglaze gold enamel
Chinese