The Piccolomini Library, south east wall: “Aeneas Sylvius introduces Eleonora of Aragona to Frederick III, February 24, 1452 ”, the fifth one of the ten stories about Aeneas Sylvius Piccolomini, future Pope Pius II, (1503 - 1508), fresco by Bernardino di Betto, known as Pinturicchio. Detail with armed men in the background and onlookers and a white horse in the foreground.