St. Quentin is a painting attributed to the Italian Renaissance

Renaissance

The Renaissance was a cultural movement that spanned roughly the 14th to the 17th century, beginning in Italy in the Late Middle Ages and later spreading to the rest of Europe. The term is also used more loosely to refer to the historical era, but since the changes of the Renaissance were not...

 master Jacopo Pontormo. According to Giorgio Vasari

Giorgio Vasari

Giorgio Vasari was an Italian painter, writer, historian, and architect, who is famous today for his biographies of Italian artists, considered the ideological foundation of art-historical writing.-Biography:...

's Vite, one of Pontormo's pupils, Gianmaria Pichi, was commissioned by his hometown of Sansepolcro a processional standard with the figure of St. Quentin; Pontormo decided to collaborate on the work, at the extent that he finished to complete most of it. The saint's posture resembles that of the "Dying Slave

Dying Slave

The Dying Slave is a sculpture by the Italian Renaissance artist Michelangelo. Created between 1513 and 1516, it was to serve with another figure, the Rebellious Slave, at the tomb of Pope Julius II. It is a marble figure 2.28 metres in height, and is held at the Louvre, Paris.The man's left wrist...

" by Michelangelo

Michelangelo

Michelangelo di Lodovico Buonarroti Simoni , commonly known as Michelangelo, was an Italian Renaissance painter, sculptor, architect, poet, and engineer who exerted an unparalleled influence on the development of Western art...

: the fact that Pontormo was friend of the latter, confirms the attribution.

The position of the nails in St. Quentin's body is directly inspired to Jacopo da Varagine's Legenda Aurea.