Copper alloy
5th-1st century BCEGreekBronze
9th-8th century BCEItalicCopper-tin-antimony alloy
10th-8th century BCEIranianMixed copper alloy
7th-11th centuryAnglo-SaxonCopper alloy
10th-9th century BCEGreekCopper alloy
6th-7th centuryByzantineBronze
9th-8th century BCEIranianBlack iron ground?
19th centuryJapaneseGold
4th-2nd century BCEEtruscanCopper alloy
8th-5th century BCEGreekCopper alloy
2nd-4th century CERoman