1 cm (3/8 in.)
Copper
20th centuryGermanCopper alloy
9th-8th century BCEItalicTortoise shell?
19th centuryBritishBronze
8th-7th century BCEGreekGold
2nd century BCEGreekMixed copper alloy
5th-6th centuryAnglo-Saxon
Bronze
3rd century BCECopper alloy
8th-6th century BCEGreekCopper alloy
8th century BCEItalicBronze
4th century BCECelticCopper alloy
8th century BCEItalicFibula: leaded bronze; Pin: Mixed copper alloy
2nd-3rd century CERoman