Mixed copper alloy
7th centuryByzantineLeaded bronze
2nd-3rd century CERomanMixed copper alloy
9th centuryAnglo-SaxonSilver
5th-4th century BCEGraeco-PersianBronze
10th-8th century BCEIranianCarnelian
1st millennium BCE-1st millenium CERomanBluish-white stone
Copper alloy
9th-8th century BCEItalicAmber or tortoise shell?
19th centuryBritishBronze
8th century BCEGreekGold
8th-7th century BCECeltic