Longquan celadon ware: light gray stoneware body with grayish celadon glaze over carved decoration. From the Longquan kilns, Zhejiang province
13th-14th centuryChineseLight gray stoneware with celadon glaze
KoreanBlackened dark gray earthenware
3rd millennium BCEChineseCeramic
EgyptianTerracotta
6th century BCEGreekStone
RomanLight gray stoneware with slip-dressed body and glaze
KoreanPigment on Plaster
2nd-3rd century CESyrian