Ceramic
EgyptianBlackened gray earthenware
3rd millennium BCEChineseTerracotta
5th century BCEGreekTerracotta
Unidentified cultureCeramic
JapaneseLead-glazed earthenware
ItalianGuan ware: dark gray stoneware with lightly crackled, light grayish blue glaze on the exterior and with thinly applied, crackled, pale blusih gray glaze on the interior. From the guan kilns near Hangzhou, Zhejiang province.
12th-13th centuryChineseCeramic
14th centuryKoreanTerracotta
Ceramic
EgyptianBlackened gray earthenware
3rd millennium BCEChinese