Halcyon Gallery opens an exhibition dedicated to the life and work of American pop artist and cultural icon Andy Warhol on January 18th. Bringing together his most iconic print portfolios, commercial work and rarely seen original canvases, Beyond the Brand will encompass the full range of Warhol’s pictorial inventions and demonstrate the extraordinary power of his unique artistic vision. The exhibition is spread across the gallery’s two Mayfair sites, at 29 and 148 New Bond...