actual: 1.9 cm (3/4 in.)
Copper alloy
2nd-3rd century CERomanCopper alloy
2nd-3rd century CERomanBrass and glass
1st-3rd century CERomanGold
1st century BCE-1st century CERomanBanded agate
1st century BCE-2nd century CERomanBone
1st-4th century CERomanLeaded bronze
2nd-3rd century CERomanCarnelian set in gold
RomanMixed copper alloy
4th century CERomanLeaded bronze
1st-2nd century CERoman