actual: 2.2 cm (7/8 in.)
Brass, blue paste, and gold
1st-3rd century CERomanCopper alloy
1st century BCE-1st century CERomanCopper alloy
2nd-4th century CERomanBronze
2nd-3rd century CERomanSilver
1st-2nd century CERomanBronze
1st century BCE-1st century CERomanCarnelian gem in gold setting
4th-1st century BCERomanCopper alloy
2nd-6th centuryRomanCopper alloy
3rd-7th centuryRomanBrass
1st-2nd century CERomanLeaded brass
2nd-3rd century CERoman