19th century
6.4 x 7.6 cm (2 1/2 x 3 in.)
Glass
5th-3rd century BCEChinesePale greenish white nephrite
12th-13th centuryChineseBrass
8th century BCEGreekBronze
10th-8th century BCEIranianBrass and glass
1st-3rd century CERomanCopper alloy
2nd-4th century CERomanIron
19th centuryGermanCopper-tin-antimony alloy
10th-8th century BCEIranianCopper alloy
7th-8th centuryAvarBronze
10th-7th century BCEIranianCopper alloy
1st-2nd century CERomanMixed copper alloy
11th-12th centuryByzantine