c. 400 BCE
1.8 cm (11/16 in.)
Brass and beads
PersianGold
EtruscanCarnelian set in gold
1st century BCE-2nd century CERoman
Bronze
5th-4th century BCE
Jet
6th century BCE
Glass
2nd-1st century BCEBronze
6th-5th century BCEGreekGlass with wire
19th centuryBritishOpaque glass: white base layer with blue, white, and dark brown layers.
Gold inset with stones
19th centuryIndian
Gold
6th century BCELead
Greek