8th-first half 7th century BCE
diam. 13.8 x w. (of coil) 4.8 cm (5 7/16 x 1 7/8 in.)
Semi-clear cobalt-blue glass; reportedly from Gyeongju, North Gyeongsang province
6th-7th centuryKoreanCopper alloy
7th-8th centuryAvarGold?
19th centuryIndianCopper alloy
1st-3rd century CERomanGreenish white, very translucent nephrite
10th-13th centuryChineseCopper alloy
8th-5th century BCEGreekBrass
9th centuryAnglo-SaxonGold
Unidentified cultureCopper
8th-7th century BCEIranianGold
RomanCopper alloy
1st-2nd millennium CEByzantineGold
4th century BCEGreek