actual: 1.8 cm (11/16 in.)
Mixed copper alloy
9th centuryAnglo-SaxonCopper alloy
7th-6th century BCEItalicFaience
6th-4th century BCEEgyptianBronze
22 karat gold-plated
19th centuryIndianBronze
8th century BCEGreekFibula: Bronze; Pin: Iron
6th century BCEGreekBronze
8th century BCEItalicBronze
10th-7th century BCEIranianSilver
18th-19th centuryAmericanBronze
9th-7th century BCEIranianCopper alloy
2nd-3rd century CERoman