6th-5th century BCE
irregular: 3.2 cm (1 1/4 in.)
Ceramic
EgyptianCeramic
KoreanTerracotta
Porcelain with decoration in underglaze cobalt-blue
17th centuryJapaneseGlass
RomanCeramic
KoreanTerracotta
5th century BCEGreekTerracotta
1st century BCE-1st century CERomanCeramic
KoreanGray earthenware
3rd millennium BCEChinese