5.3 cm (2 1/16 in.)
Marble
2nd century CERomanLead
2nd century BCERoman?Leaded bronze
2nd-3rd century CERomanGreek marble, from Thasos or northwest Asia Minor
4th-5th century CERomanPentelic marble
2nd-3rd century CERomanTerracotta
RomanTerracotta
RomanFine-grained white marble
1st-3rd century CERomanTerracotta
RomanLeaded bronze
1st-2nd century CERomanPlaster
20th centuryRomanTerracotta
3rd-2nd century BCERoman