This intense portrait of the cardinal at a young age, painted on paper and made later on canvas in two versions, one of which is preserved in the Corsini Gallery, was probably painted in 1631 during the prelate's stay in Pesaro, as a papal legate, on the occasion of the passage of the Duchy of Urbino to the Church. The painter investigates the face of the young man with an immediate, almost impressionistic sign, making a speaking portrait of it, live, as revealed by some details such as the mention of the slight squint. The naturalistic vein of the work indicates the painter's experimental approach and at the same time expresses the personality of the cardinal, whose face emanates deep calm and conscious strength, which will be characteristics of his life (1607-1671), marked by great powers, sudden falls and subsequent rebirths.