This tempera on panel painting by Bartolomeo Bulgarini presents Saint Dominic within a circular tondo format, a compositional choice that emphasizes the saint's spiritual significance through geometric perfection. The gold ground, characteristic of Italian Gothic panel painting, creates a luminous backdrop that elevates the figure into a sacred realm while the engaged frame physically integrates the image into its architectural context. Bulgarini's use of tempera, a medium favored by Sienese painters of the 14th century, allows for precise detail and vibrant color that remains vivid despite the work's age.