Blackened gray earthenware
3rd millennium BCEChineseTerracotta
5th century BCEGreekCeramic
EgyptianCeramic
KoreanGray earthenware
3rd millennium BCEChineseTerracotta
RomanCeramic
EgyptianCeladon ware: light gray stoneware with celadon glaze
13th-14th centuryKoreanTerracotta
RomanCeramic
Korean