 Complete the following phrase:  On 4 April 1857, Giuseppe Borsalino started a workshop in Alessandria that specialized in the production of felt hats. The workshop eventually grew to industrial production, and in 1888 the company moved to a new factory designed by Arnaldo Gardella, located on Corso Cento Cannoni, Alessandria. In these years Borsalino produced 2,500 hats a day, but when the company won the Grand Prix, an important quality certificate, at the 