The Master of Volterra active c.1530-70

We are grateful to Everett Fahy for suggesting this attribution, on the basis of a photograph (private communication, 26 February 2008). Mr. Fahy compares this work to a other depictions of the subject by this hand in the Pinacoteca di Brera, Milan and the Gamäldegalerie, Akademie der bildenden Künste, Vienna.