When was "Medallion with St. Christopher (?)" created?

This artwork was created 13th century.

What medium is "Medallion with St. Christopher (?)"?

Medallion with St. Christopher (?) is Glass, gold leaf.

Yes, Medallion with St. Christopher (?) is in the public domain and available for free download under CC0 license.

Unknown Artist

13th century

Medium

Glass, gold leaf

Dimensions

Overall: 1 1/8 x 1 x 3/16 in. (2.9 x 2.5 x 0.5 cm)

Classification

Glass-Moulded

Culture

Italian

Department

Medieval Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of Henry G. Marquand, 1881

Accession Number

81.10.145