20th century
Silver
20th centuryAmericanBronze
1st-2nd millennium CERomanSilver
18th centuryBritishStone
3rd millennium BCEChineseBronze
1st-2nd millennium CERomanBronze
3rd century BCEGreekCopper alloy
1st-2nd millennium CEByzantineSilver
17th centuryBritishStone
1st-2nd millennium CERomanCopper alloy
1st-4th century CERomanBronze
4th century BCEGreekSilver
18th centuryBritish