18th-19th century
7.3 x 6.35 cm (2 7/8 x 2 1/2 in.)
Metal
JapaneseStone
EgyptianGlass with wire
19th centuryBritishSilver colored metal
18th-19th centuryIndianMixed copper alloy
8th century BCEGreekGold
4th-2nd century BCEEtruscanCopper alloy
8th-5th century BCEGreekBronze
8th century BCEGreekCopper alloy
7th-8th centuryAvarCopper with stone
20th centuryGermanBlack iron ground?
19th centuryJapanese