The Piccolomini Library, south west wall: “ Pius II presides over the Diet of Mantua, June1, 1459”, the eighth one of the ten stories about Aeneas Sylvius Piccolomini, future Pope Pius II, (1503 - 1508), fresco by Bernardino di Betto, known as Pinturicchio. Detail of a scholar in oriental dress and a carpet with books in the foreground