The Palazzo Bianco ( number 11 ) makes a handsome setting for Genoa 's most important art collection , mostly the work of Genoese Cambiaso , Strozzi , and Magnasco , as well as works by Pontormo and Palma il Vecchio , and the Flemish school Rubens , G ? ? rard David , and Van Dyck .
The art collection has 300 pieces .