Hammered gold
2nd century BCE-1st century CEParthianIron
19th centuryGermanGold
EtruscanMixed copper alloy and gold
11th-12th centuryByzantineBlack iron ground?
19th centuryJapaneseStone
EgyptianBronze
7th century BCEGreekBronze
4th century BCECelticLeaded bronze
7th-1st century BCEEgyptianBronze
IslamicCopper alloy
1st-2nd millennium CEByzantineBronze
8th century BCEGreek