150-80 BCE
2.5 × 0.5 cm (1 × 3/16 in.)
Bronze
8th-7th century BCEItalicCopper, traces of gilding
6th-7th centuryAnglo-SaxonCopper-tin-antimony alloy
10th-8th century BCEIranianLight gray and brownish, translucent nephrite cylinder
19th-20th centuryChineseBronze
3rd-2nd millennium BCEIranianCopper alloy
9th-12th centuryByzantine
Amber
2nd-1st century BCEGold
7th century BCEGreekCopper alloy
8th century BCEItalicBronze
8th century BCEGreekLeaded brass
8th-11th centuryViking