Gray earthenware
3rd millennium BCEChineseNorthern black ware of Cizhou type: light gray stoneware with bluish-black glaze, the decoration painted in overglaze iron-oxide
12th-13th centuryChineseBlue-green glazed faience
1st-2nd century CERomanPorcelain with blue enamel and gilding
18th-19th centuryChinesePlaster
Carved celadon ware: light gray stoneware with celadon glaze over lightly carved decoration
12th centuryKoreanTerracotta
7th century BCEGreekSilver
18th centuryIrishStoneware with splashes of wood ash glaze
9th-11th centuryKoreanSilver
17th-18th centuryAmericanCast bronze with greenish patina
11th-10th century BCEChineseTerracotta with green-blue glaze
3rd-7th centurySasanian