Terracotta
RomanTerracotta? Earthenware?
3rd millennium BCEGreekCeramic
KoreanGray earthenware
3rd millennium BCEChineseCeladon ware: light gray stoneware with celadon glaze over molded and incised decoration
12th centuryKoreanCeramic
EgyptianTerracotta
GreekTerracotta
RomanLow-fired blackened gray earthenware, the surface burnished before firing
3rd millennium BCEChineseCeramic
Korean