Saint Quentin was a Roman martyr who was tortured in different manners: he was tied to a rack with two long nails crossing his body and ten tacks under his fingernails. This cruel scene is represented in an environment that presents XVI century Spain: slashed doublets, skirts and headpieces that were the fashion of the time.
On the reverse side, a grisaille* is found that monochromatically gives a sculptural sensation to the Virgin with Child. What is unique is the way he playfully lunges for the key offered him by Saint Peter.