Saint Catherine of Siena

Saint Catherine of Siena is depicted as a half-length figure within a circular gold mandorla, set against a rich gold ground with an ornate border. She wears a white veil and tunic beneath a black mantle, and holds a red book in her left hand while a slender flowering branch rests against her chest. The painting shows the Sienese school's refined, decorative style, with a pale, softly modeled face, delicate line work, and a luminous gold background.