5.3 cm (2 1/16 in.)
Cyrstalline Greek island marble (perhaps from Thasos)
2nd century CERomanTerracotta
3rd century BCE-3rd century CERomanOnyx
1st-2nd century CERomanTerracotta
RomanLimestone
2nd century CERomanTerracotta
RomanTerracotta
RomanMarble
1st-2nd century CERomanTerracotta
1st century CERomanTerracotta
RomanLead
2nd century BCERoman?