150-80 BCE
2 × 9 cm (13/16 × 3 9/16 in.)
Stone
EgyptianBronze
10th-8th century BCEIranian
Jet
6th century BCEBronze
1st millennium BCEItalicCarnelian set in gold
RomanGold
1st century BCE-1st century CERomanMixed copper alloy
3rd-4th century CERomanSilver and gilt bronze with pearls and green-and-white nephrite
19th-20th centuryChineseBronze, with iron pin and recessed cells for enamel
2nd century CERomanCopper alloy
7th-8th centuryAvarGlass with wire
19th centuryBritish