Madonna of Humility, portable altarpiece

Andrea di Bartolo employs the gilded background typical of early 15th‑century Sienese painting, applying intricate patterns that catch light and convey a heavenly realm. The figures are rendered in delicate tempera, with the Virgin’s black robe contrasting the child's pink attire, and the saints distinguished by distinct colored garments and subtle facial details.

The work was likely commissioned for private devotion, as suggested by its modest size and portable format. After remaining in private hands for several centuries, it entered the Brooklyn Museum’s collection in the early 20th century, where it has been displayed as part of the museum’s European medieval and Renaissance holdings.

The altarpiece reflects the transitional period between the Gothic and early Renaissance in Siena, where artists blended ornamental gold work with emerging naturalistic gestures. Its iconography aligns with contemporary devotional practices that favored intimate, approachable representations of holy figures for personal prayer.