c. 666 BCE-500 BCE
irregular: 4 cm (1 9/16 in.)
Blackened gray earthenware
3rd millennium BCEChineseTerracotta
MycenaeanTerracotta
Terracotta
Ceramic
KoreanGuan ware: dark gray stoneware with lightly crackled, light grayish blue glaze. From the guan kilns near Hangzhou, Zhejiang province
12th-13th centuryChinesePlain celadon ware: light gray stoneware with celadon glaze
13th-14th centuryKoreanLight gray stoneware with celadon glaze
KoreanCeladon ware: light gray stoneware with celadon glaze
13th-14th centuryKorean