actual: 1.9 cm (3/4 in.)
Copper alloy
1st century BCE-1st century CERomanLeaded bronze
1st-2nd century CERomanCopper alloy
2nd-4th century CERomanGold
4th-5th century CERomanCarnelian set in gold
1st century BCE-2nd century CERomanCopper alloy
1st-5th century CERomanGlass
RomanMixed copper alloy
2nd-3rd century CERomanBrass, gilded
5th-6th centuryRomanLeaded bronze
1st-2nd century CERomanCopper alloy
1st-2nd century CERomanBody: Mixed copper alloy; Pin: Bronze
3rd-4th century CERoman