Silver
18th centuryIrishStone
Stone
3rd millennium BCEChineseWood
19th centuryJapaneseSilver
18th centuryAmericanBronze
1st-5th century CERomanSilver
18th centuryBritishIron
1st-2nd millennium CERomanIron
GreekCopper alloy
1st-4th century CERomanSlate
SyrianSilver
18th centuryBritish