Who made the oldest signed self-portrait by a woman in Western Europe?

Which feature of this sculpture was designed specifically to enhance viewers’ ability to see the figure in its original position on the façade of Siena Cathedral?

a) the extension of Mary’s neck and head as she leans forward b) Mary’s stance in contrapposto c) the trimmed edges of her robes d) the shortening of her right forearm and clutched hand

The di sotto in su viewpoint of the oculus in Andrea Mantegna's paintings in the Camera Picta in Mantua is made fully convincing through __________.

A. foreshortening B. atmospheric perspective C. Classical sources D. idealized proportions