Guido di Pietro, San Francesco d'Assisi

The saint is portrayed in a brown habit and a gilded halo, framed within a black diamond shape. He holds a red-bound book and a thin wooden cross, and a small red wound is visible on his palm. The background is composed of gold leaf with decorative punched patterns and Latin inscriptions naming the figure.

This work represents the devotional and intellectual climate of early 15th-century Florence before the Neoplatonic revival. The Franciscan emphasis on the direct experience of the divine and the natural world provided a foundational framework for the later development of Renaissance natural philosophy.