Iron
GreekCast bronze
3rd century BCE-3rd century CEChineseLeaded bronze
1st-4th century CERomanSilver
19th centuryAmericanPlaster,
Silver
18th centuryAmericanCopper alloy
2nd-5th century CERomanSilver
17th centuryBritishBronze
1st-2nd millennium CERomanBronze
1st-2nd millennium CERomanSilver
19th centuryAmericanBone
1st-2nd century CERoman