actual: 2.1 cm (13/16 in.)
Copper alloy
6th-2nd century BCEEtruscanSilver
18th-19th centuryAmericanCopper alloy
9th-7th century BCEItalicMetal
20th centuryGermanCopper alloy
6th century BCEEuropeanCopper alloy
7th-8th centuryAvarCopper alloy
7th-8th centuryAvarCopper alloy
1st-3rd century CERomanCopper alloy
7th-6th century BCEGreekCarnelian gem in gold setting
4th-1st century BCERomanLeaded bronze
1st-2nd century CERoman