20th century
largest bead: Diam. 1.1 cm (7/16 in.)
Copper alloy
1st-5th century CERomanCopper alloy
8th century BCEItalicGold
16th-11th century BCEEgyptianGold
4th-2nd century BCEEtruscanGold
4th-2nd century BCEEtruscanMixed copper alloy
2nd-3rd century CERomanMetal
GreekLead
GreekOpaque black glass
4th-3rd century BCEGreekCopper alloy
7th-8th centuryAvarPale greenish white nephrite
12th-13th centuryChineseBronze
8th century BCEGreek