As part of a longstanding effort to help Italy track down its missing treasures, the U.S. returned hundreds of ancient archaeological finds this week A marble bust of Alexander the Great depicted as the sun god Helios Ministero della Cultura The marble head of Alexander the Great—carved in the first century C.E. and missing its nose and forehead—was the centerpiece of a ceremony held this week in Rome to celebrate the return of more than 300 artifacts from the United States to Italy. The Macedonian king’s likeness was on display alongside dozens of busts, vases and coins from ancient Rome, Greece and Egypt, dating between the fifth century B.C.E. to the third century C.E., as U.S. and Italian officials exchanged remarks of cultural goodwill. “There’s no country in the world that has history ​and culture like Italy, and the United States will always do whatever it takes to help bring these wonderful artifacts back to your very special country,” Tilman J. Fertitta, the U.S.…