c. 1850-c. 1870
1.27 diam. x 7.3 cm (1/2 x 2 7/8 in.)
Copper alloy
4th-3rd century BCEEtruscanEnameled gold
19th-20th centuryPersianMetal
Japaneseleaded bronze
6th-5th century BCEEast AsianCopper alloy
7th-8th centuryAvarCarnelian set in gold
1st century BCE-2nd century CERomanGlass with wire
19th centuryBritishJade with silver and gems
17th centuryTurkishGold
EtruscanBronze
Leaded brass, lead-tin alloy inlays
9th centuryAnglo-SaxonCopper alloy
1st century BCE-3rd century CERoman