Copper alloy
1st-5th century CERomanCopper alloy
1st-4th century CERomanBronze
1st-2nd millennium CERomanStone
3rd millennium BCEChineseHammered bronze
10th-14th centuryKoreanSilver
19th centuryAmericanBronze
1st millennium BCE-1st millenium CERomanSilver
18th centuryBritishMetal
10th-13th centuryIslamicLeaded bronze
1st-4th century CERomanBronze
1st-2nd millennium CERomanLeaded bronze
1st millennium BCE-1st millenium CERoman?