actual: 1.8 cm (11/16 in.)
Carnelian set in gold
1st century BCE-2nd century CERomanBody: Mixed copper alloy; Pin: Bronze
3rd-4th century CERomanCopper alloy
2nd-3rd century CERomanMixed copper alloy
2nd-3rd century CERomanLeaded bronze
3rd century CERomanCopper alloy
2nd-3rd century CERomanMixed copper alloy
4th century CERomanCopper alloy
1st-5th century CERomanBone
1st-4th century CERomanCopper alloy
2nd-4th century CERomanCopper alloy
1st-2nd century CERoman