Exhibition curator Lauren Porter, left, and Royal Collection staff Allan Chinn, second left, Martin Clayton, second right, and Kate Stone stand with four Andy Warhol portraits of Queen Elizabeth II in Windsor Castle, Windsor, England, Monday Sept. 24, 2012, that will form part of the "Portraits of a Monarch" exhibit starting in November at Windsor Castle until June 2013. The colorful screenprints are based on a formal photograph of the queen wearing a tiara and necklace that was used during her Silver Jubilee celebrations in 1977. (AP Photo/PA, Andrew Matthews) UNITED KINGDOM OUT NO SALES NO ARCHIVE
