What medium is "Roundel with Virgin and Child and a Carmelite Donatrix"?

Roundel with Virgin and Child and a Carmelite Donatrix is Colorless glass, silver stain, vitreous paint.

Is "Roundel with Virgin and Child and a Carmelite Donatrix" in the public domain?

Yes, Roundel with Virgin and Child and a Carmelite Donatrix is in the public domain and available for free download under CC0 license.

Ctrl K

This artwork was created 1530–40.

Unknown Artist, 1530–40