actual: 1.9 cm (3/4 in.)
Mixed copper alloy
3rd-4th century CERomanBrass
1st-2nd century CERomanGold and stone
1st century BCE-3rd century CERomanBone
1st-4th century CERomanBronze
1st century BCE-1st century CERomanCopper alloy
2nd-3rd century CERomanLeaded bronze
1st-2nd century CERomanCopper alloy
2nd-6th centuryRomanMixed copper alloy
2nd-3rd century CERomanBody: Mixed copper alloy; Pin: Bronze
3rd-4th century CERomanGold
1st-3rd century CERomanLeaded brass
4th century CERoman