Saint Mary (the Blessed Virgin) with the Christ Child, Saint Dominic Guzman and Saint Catherine of Siena. Engraving by C. Galle.

Licence: Public Domain Mark

Credit: Saint Mary (the Blessed Virgin) with the Christ Child, Saint Dominic Guzman and Saint Catherine of Siena. Engraving by C. Galle. Wellcome Collection. Source: Wellcome Collection.