17th century
Copper alloy
3rd-5th century CERomanLimestone
RomanCopper-tin-antimony alloy
9th-8th century BCEGreekBone
1st-4th century CERomanBronze
6th-5th century BCEGreekCopper alloy
4th-6th centuryRomanGreen stone
Copper alloy
1st-4th century CERomanSilver
19th centuryAmericanCopper alloy
2nd-5th century CERomanCopper alloy
1st-4th century CERomanSilver
18th centuryBritish