actual: 2.2 cm (7/8 in.)
Leaded bronze
1st-2nd century CERomanCopper alloy
2nd-3rd century CERomanCopper alloy
3rd-7th centuryRomanCopper alloy
1st century BCE-1st century CERomanLeaded bronze
2nd-3rd century CERomanLeaded bronze
1st-2nd century CERomanMixed copper alloy
2nd-3rd century CERomanCopper alloy
1st-2nd century CERomanBrass, blue paste, and gold
1st-3rd century CERomanLeaded bronze
1st-2nd century CERomanHammered gold ring with carnelian cameo
3rd-4th century CERomanCopper alloy
1st century BCE-1st century CERoman