Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
The Virgin with four saints: the archangel Michael, Saint Catherine of Alexandria, Saint Apollonia and Saint John the Evangelist. Drawing by F. Rosaspina, c. 1830, after P. Vannucci, il Perugino. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.