Gian Giacomo de Legnano, 1503 -- Printer's Mark
Main (Thompson) Library location: South wing -- Sixth window. The name and mark of Gian Giacomo de Legnano (c.14-- – c. 15--) first appear in Milan circa 1480. De Legnano shared a printing press with his brothers at the Sign of the Angel and printed books regularly in both Milan and Pavia until 1533