5th-3rd century BCE
Diam. 17.1 cm (6 3/4 in.) Weight 394 g
Grenville L. Winthrop purchased from Yamanaka & Co., New York (May 1934)
Cast bronze with integrally cast auspicious inscription
2nd-1st century BCEChineseCast bronze
8th-12th centuryJapaneseCast bronze
ChineseCast bronze
Chinese?Cast bronze
2nd-3rd century CEChineseBronze, one side with traces of gilding
1st century BCE-2nd century CERomanCast bronze
1st-3rd century CEChineseCast bronze
8th centuryChineseCast bronze
8th centuryChineseMirror: High tin bronze; Back of mirror: Mixed copper alloy
3rd century BCE-1st century CEHellenistic or Early RomanCast bronze
1st-3rd century CEChineseLeaded bronze
1st-2nd century CERoman