Stone
3rd millennium BCEChineseCopper alloy
1st-4th century CERomanTranslucent green nephrite with discolored buff spots
17th-18th centuryChineseCopper alloy
1st-3rd century CERomanSilver
18th centuryAmericanCopper alloy
1st-5th century CERomanIron
Unidentified cultureCopper alloy
Unidentified centuryUnidentified cultureCopper alloy
1st-5th century CERoman
Bronze
6th century BCETerracotta, black ware
3rd millennium BCEAnatolian