7425512 Portrait of a young boy, 1527-8 (Oil on panel) by Bronzino, Agnolo di Cosimo (1503-72); 98x73 cm; Castello Sforzesco, Milan, Italy; (add.info.: Portrait of 12-year-old Lorenzo Lenzi. He is holding the book of Petrarch\'s sonnet “O d\'ornata virtude hornata e calda", by Agnolo di Cosimo (Bronzino)); Luisa Ricciarini.