The Galleria Nazionale ( on Piazzale Marconi ) exhibits more excellent works of Correggio and Parmigianino , and an added prize of the collection , the sketch of a young girl , Testa di Fanciulla , by Leonardo da Vinci .
The National Gallery includes a good selection of pieces by Correggio and Parmigianino as well as the highly coveted work by da Vinci , sketch of a young girl .