late 19th-early 20th century

Jet
2nd-1st century BCECopper alloy
7th-8th centuryAvarLight gray and brownish, translucent nephrite cylinder
19th-20th centuryChineseBronze
10th-8th century BCEIranianBronze
9th-8th century BCEItalicBronze
8th century BCEGreekMixed copper alloy
9th centuryAnglo-SaxonLeaded bronze
7th-1st century BCEEgyptianCopper alloy
1st-2nd millennium CEByzantineCopper alloy
7th-8th centuryAvarCopper alloy
9th-8th century BCEItalic