irregular: 7.4 cm (2 15/16 in.)
Punch'ong ware: light gray stoneware with white slip under celadon glaze
KoreanBlackened gray earthenware
3rd millennium BCEChineseTerracotta
GreekCeramic
EgyptianDark gray stoneware with underfired glaze
10th-13th centuryChineseCeramic
EgyptianCeramic
KoreanInlaid celadon ware: light gray stoneware with celadon glaze over decoration inlaid in white slip
12th-13th centuryKorean