What medium is "Sardonyx cameo fragment with Jupiter astride an eagle"?

Sardonyx cameo fragment with Jupiter astride an eagle is Sardonyx.

Is "Sardonyx cameo fragment with Jupiter astride an eagle" in the public domain?

Yes, Sardonyx cameo fragment with Jupiter astride an eagle is in the public domain and available for free download under CC0 license.

This artwork was created 1st century BCE–1st century CE.

Unknown Artist

1st century BCE–1st century CE

Medium

Sardonyx

Dimensions

H.: 1 3/8 x 1 3/16 in. (3.4 x 3 cm)

Classification

Gems

Culture & Period

Greek or Roman · Hellenistic or Early Imperial

Department

Greek and Roman Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of Milton Weil, 1932

Accession Number

32.142.2