actual: 1.8 cm (11/16 in.)
Copper alloy
7th-6th century BCEItalicGlass with wire
19th centuryBritishGold
1st-3rd century CERomanCopper alloy
7th-2nd century BCEEtruscanCopper alloy
8th-7th century BCEItalicBronze
Unidentified centuryUnidentified cultureCopper
8th-7th century BCEIranianBlack steatite
10th-11th centuryGreekCopper alloy
1st-2nd millennium CEByzantineCopper alloy
7th-8th centuryAvarSilver colored
19th centuryIndianBrass, gilt silver wire and silver inlays
9th centuryAnglo-Saxon