actual: 2.2 cm (7/8 in.)
Copper alloy
2nd-4th century CERomanGold
3rd-4th century CERomanCopper alloy
1st century BCE-1st century CERomanCopper alloy
2nd-3rd century CERomanLeaded bronze
2nd-3rd century CERomanLeaded bronze
1st-2nd century CERomanGold and stone
1st century BCE-3rd century CERomanLeaded bronze
1st-2nd century CERomanGold and glass paste
1st century BCE-2nd century CERomanBronze
2nd-3rd century CERomanBronze, with iron pin and recessed cells for enamel
2nd century CERomanCopper alloy
1st-3rd century CERoman