Art, Business Art market faces uncertain 2017 after falling values and high-profile disputes Editorial TeamonJanuary 1, 2017/Comments closed The content previously published here has been withdrawn. We apologise for any inconvenience. Tagged: Andy Warhol. Art Art and design art collector art gallery art market Art sales Article business Christie's Edward Helmore Eric Clapton Features gallery owners Gerhard Richter Sotheby's US Business Warhol Warhol sales