In July 1510 the ten-year-old Federigo Gonzaga was sent from Mantua to Rome as a hostage. On his way to Rome he stopped in Bologna, where Francia astounded everyone by painting and delivering his portrait in twelve days. The picture was subsequently taken to Rome for the admiration of the papal court and was only reluctantly returned to Isabella d’Este, Federigo’s mother. The fine execution of this famous portrait is typical of Francia’s best work.
– says the Met, where this painting is NOT ON DISPLAY. Later in life, Titian would take a crack at Federigo: