Terracotta
4th-3rd century BCEGreekTerracotta
RomanCast bronze; with engraved inscription dated to 65 BC (Yuankang yuan nian) on the underside of the ring
1st century BCEChineseTerracotta
3rd-2nd century BCEGreekTerracotta
Silver
18th centuryAmericanTerracotta
RomanTerracotta
Brass, partly painted white, with electrical components
20th centuryFinnishSilver
18th centuryBritish