Title: Glass astragal (knucklebone)
Object type: Astragal
Date: 3rd–2nd century BCE
Culture: Greek
Period: Hellenistic
Medium: Glass
Dimensions: Overall: 5/8 x 3/8 x 5/16 in. (1.6 x 1 x 0.8 cm)
Classification: Glass
Credit line: Gift of J. Pierpont Morgan, 1917
Department: Greek and Roman Art
Repository: Metropolitan Museum of Art, New York, NY