Glass ring stone
Object type: Intaglio
Department: Greek and Roman Art
Culture: Roman
Period: Imperial
Date: 1st century BCE–3rd century CE
Medium: Glass, purple paste
Dimensions: Other: 5/8 x 3/8 x 1/16 in. (1.7 x 0.9 x 0.2 cm)
Classification: Gems
Credit line: The Cesnola Collection, Purchased by subscription, 1874–76
Accession year: 1874