date uncertain
Diam. 1.7 cm (11/16 in.)
Bronze
8th century BCEItalicLeaded brass, lead-tin alloy inlays
9th centuryAnglo-SaxonSilver and gilt bronze with pearls and kingfisher-feather inlay
19th-20th centuryChineseBronze, with iron pin and recessed cells for enamel
2nd century CERomanCopper alloy
2nd-3rd century CERomanAmber with mother-of-pearl inlay
1st millennium CEChineseCopper alloy
8th-5th century BCEGreekCopper, traces of gilding
6th-7th centuryAnglo-SaxonBronze
8th century BCEItalicMetal
JapaneseCopper with stone
20th centuryGermanMetal
19th centuryJapanese