irregular: 7.8 cm (3 1/16 in.)
Leaded bronze, gilded
2nd-3rd century CERomanMarble
3rd-4th century CERomanBone
RomanMarble
1st-2nd century CERomanMarble
1st-2nd century CERomanMixed copper alloy
1st-3rd century CERomanTerracotta
2nd century CERomanGreek mainland marble
2nd century CERomanLeaded bronze
2nd-3rd century CERomanPlaster
20th centuryRomanMarble
Roman