Glass ring stone
Object type: Intaglio
Department: Greek and Roman Art
Culture: Greek
Period: Hellenistic
Date: 3rd–1st century BCE
Medium: Glass, purple
Dimensions: Diameter: 13/16 in. (2.1 cm)
Classification: Gems
Credit line: Gift of J. Pierpont Morgan, 1917
Accession year: 1917
Tags: Heads|Herakles