3rd millennium BCE
16.5 x 11.2 x 1.1 cm (6 1/2 x 4 7/16 x 7/16 in.)
Copper-lead-arsenic alloy
2nd millennium BCEAnatolianBronze
ChineseArsenical copper
3rd millennium BCEAnatolianIron
JapaneseBronze
12th-10th century BCEIranianStone
ChineseSteel, watered steel, and gold
18th-19th centuryIndianArsenical bronze
3rd millennium BCEIranianLead
GreekBronze
3rd millennium BCEIranianBronze
ChineseLead