Madonna and Child with Saint Catherine of Siena and a Carthusian Donor, ca. 1411-24, Italian, Lombardy, probably Pavia, Tempera and gold on wood, Overall 22 5/8 x 13 1/8 in. (57.5 x 33.3 cm); painted surface 21 7/8 x 12 1/4 in. (55.6 x 31.1 cm), Pain