What medium is "Triptych with Christ, Virgin, St. John The Baptist"?

Triptych with Christ, Virgin, St. John The Baptist is Brass, surrey enamel.

Is "Triptych with Christ, Virgin, St. John The Baptist" in the public domain?

Yes, Triptych with Christ, Virgin, St. John The Baptist is in the public domain and available for free download under CC0 license.

This artwork was created 18th century.

Unknown Artist

18th century

Medium

Brass, surrey enamel

Dimensions

Overall (opened): 7 7/16 x 18 1/2 x 9/16 in. (18.9 x 47 x 1.5 cm) Overall (closed): 7 7/16 x 6 7/16 x 5/16 in. (18.9 x 16.3 x 0.8 cm)

Classification

Enamels-Translucent

Culture

Russian

Department

Medieval Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of V. Everitt Macy, 1928

Accession Number

28.217.1