Saint Mary (the Blessed Virgin) with the Christ Child, Saint Sixtus, Saint Barbara and angels. Engraving by C.G. Schultze after C.J.J. Seydelmann after Raphael.

Licence: Public Domain Mark

Credit: Saint Mary (the Blessed Virgin) with the Christ Child, Saint Sixtus, Saint Barbara and angels. Engraving by C.G. Schultze after C.J.J. Seydelmann after Raphael. Source: Wellcome Collection.