Serapian has opened its first U.S. flagship store, bringing the Milanese brand’s entire line of luxury leather accessories to Rodeo Drive in Beverly Hills, Calif. Famed for creating iconic leather handbags for Audrey Hepburn, Ingrid Bergman, and other 1950s starlets, Serapian was founded in 1945 by the Armenian-born leatherworker Stefano Serapian and his Florentine wife, Gina, whom he met after moving to Milan. After decades of success in its home country, Serapian has moved stateside as part of an internation…