Metal
19th centuryBritishTerracotta
RomanLeaded brass
1st century BCE-1st century CEGreekTerracotta
RomanTerracotta
RomanLeaded bronze
1st century CERomanTerracotta
Glass, gilt brass, bronze, and marble
19th centuryAmericanTerracotta
RomanCast bronze; with engraved inscription dated to 65 BC (Yuankang yuan nian) on the underside of the ring
1st century BCEChinese