200 BCE - 100 BCE
0.5 cm (3/16 in.)
Agate
3rd millennium BCESumerianCopper alloy
5th-1st century BCEGreekCarnelian gem in gold setting
4th-1st century BCERomanCopper-tin-antimony alloy
10th-8th century BCEIranianBrass and glass
1st-3rd century CERomanBrass, blue paste, and gold
1st-3rd century CERomanBronze
9th-8th century BCEIranianTranslucent turquoise-blue glass
5th-1st century BCEChineseGlass
RomanTerracotta
Leaded bronze
1st-2nd century CERomanBronze
Unidentified centuryUnidentified culture