What medium is "Roundel with Christ crowned with thorns and mocked"?

Roundel with Christ crowned with thorns and mocked is Colorless glass, vitreous paint and silver stain.

Is "Roundel with Christ crowned with thorns and mocked" in the public domain?

Yes, Roundel with Christ crowned with thorns and mocked is in the public domain and available for free download under CC0 license.

This artwork was created 1480–90.

Unknown Artist

1480–90

Medium

Colorless glass, vitreous paint and silver stain

Dimensions

Overall Diam.: 7 7/8 in. (20 cm)

Classification

Glass-Stained

Culture

German

Department

The Cloisters

Museum

Metropolitan Museum of Art, New York, NY

Credit

The Cloisters Collection, 1932

Accession Number

32.24.7