“More than 100 Brillo boxes, said to be works by Andy Warhol, have been declared “copies” by the Andy Warhol Art Authentication Board after a three-year investigation. It centred on two series of boxes produced by the late Pontus Hultén (1924-2006), the founding director of the Moderna Museet in Stockholm, the Centre Pompidou in Paris and the Los Angeles Museum of Contemporary Art. Hultén claimed that Warhol authorised the production of the boxes for the seminal exhibition that Hultén curated in Stockholm in 1968. But in 2007, the Swedish newspaper Expressen discovered that no wooden boxes had been displayed in the show and that cardboard boxes from the Brillo factory had been used instead. It set out to research the date and manufacture of Hultén’s boxes, many of which had entered the market…”