Piero della Francesca, Madonna and Child with Saints, Angels and Federico da Montefeltro (also known as the San Bernardino Altarpiece, Brera Madonna, or Montefeltro Altarpiece), 1472–1474, is a large painting of the Sacred Conversion between the Virgin and the saints. It was commissioned by Federico da Montefeltro, who appears in the dress of a military commander.
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