12th cent. - 13th cent.
Terracotta
GreekTerracotta
Yue ware: light gray stoneware with celadon glaze over incised decoration
10th-11th centuryChineseBlackened gray earthenware
3rd millennium BCEChineseLight gray stoneware with celadon glaze
KoreanTerracotta
6th century BCEGreekCeramic
EgyptianCeramic
KoreanEgyptian blue pigment applied to mud plaster
8th-7th century BCEAssyrianStone
Roman