I love his exuberance and muscular humor. At his trend-setting San Francisco antiques gallery, Coup d’Etat, Darin Geise displays alluring and elegant one-of-a-kind furnishings, along with edgy vintage collections, John Dickinson tables, armillaries, and bold industrial-inspired lighting by Jefferson Mack. Newell Turner, House Beautiful’s brilliant editor-in-chief, called Coup d’Etat ‘one of the most exciting new design galleries in the design world today’. But there’s another, very…