On October 14, in celebration of the brand’s 75th year, the jewelry house Verdura will unveil a retrospective at the new gallery space adjacent to its flagship store on Fifth Avenue in Manhattan. Called The Power of Style: Verdura at 75, the exhibition will include more than 200 vintage jewelry pieces by the company’s late founder, Duke Fulco di Verdura, as well as archival materials, a few of Verdura’s gouache jewelry designs, miniature paintings, and rare photos. Standout pieces from the exhibition include a…