Piero della Francesca, Madonna and Child with Saints, Angels, and Federico da Montefeltro

A conversation with Dr. Beth Harris and Dr. Steven Zucker in front of Piero della Francesca, Madonna and Child with Saints, Angels and Federico da Montefeltro (San Bernardino Altarpiece), 1472–74, tempera on panel, 251 x 172 cm (Pinacoteca di Brera, Milan)