2 x 13.3 cm (13/16 x 5 1/4 in.)
Terracotta
4th-2nd century BCEGreekTerracotta
RomanTerracotta
7th-6th century BCEGreekMixed copper alloy
1st century BCE-2nd century CERomanPlaster cast
20th centuryAmericanTerracotta
RomanTerracotta
Cast bronze; with engraved inscription dated to 65 BC (Yuankang yuan nian) on the underside of the ring
1st century BCEChineseBrass
16th centuryPersianQuaternary alloy, cast and incised
12th centuryPersianTerracotta
1st century CERoman