When was "Glass ring stone" created?

This artwork was created 3rd–2nd century BCE.

What medium is "Glass ring stone"?

Glass ring stone is Glass, blue paste.

Yes, Glass ring stone is in the public domain and available for free download under CC0 license.

Unknown Artist

3rd–2nd century BCE

Medium

Glass, blue paste

Dimensions

Length: 9/16 in. (1.5 cm)

Classification

Gems

Culture & Period

Italic · Hellenistic

Department

Greek and Roman Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of J. Pierpont Morgan, 1917

Accession Number

17.194.32