When was "Roundel of Saint Panteleimon" created?

This artwork was created 12th century.

What medium is "Roundel of Saint Panteleimon"?

Roundel of Saint Panteleimon is Cloisonné enamel, gold (?).

Yes, Roundel of Saint Panteleimon is in the public domain and available for free download under CC0 license.

Unknown Artist

12th century

Medium

Cloisonné enamel, gold (?)

Dimensions

Overall: 1 1/16 x 1/16 in. (2.7 x 0.1 cm)

Classification

Enamels-Cloisonné

Culture

Byzantine

Department

Medieval Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Rogers Fund, 1951

Accession Number

51.198