irregular: 3.3 cm (1 5/16 in.)
Terracotta
Guan ware: dark gray stoneware with light grayish blue glaze. From the guan kilns near Hangzhou, Zhejiang province
12th-13th centuryChineseCeramic
KoreanLight gray stoneware with celadon glaze
KoreanCeramic
EgyptianLight gray stoneware with slip-dressed body and glaze
KoreanTerracotta
1st century BCE-1st century CERomanTerracotta
5th-4th century BCEGreekCeramic
EgyptianPigment on plaster
1st-2nd century CERomanBlackened gray earthenware
3rd millennium BCEChineseTerracotta
Greek