Prince Charles Keeps Time With His Mother - Prince Charles, standing on the balcony of Buckingham palace, follows his mother, the Queen and stands at the salute as the guards march past their Sovereign following the Trooping the Colour ceremony on horse guards parade, London, to-day (Thursday). Also on balcony are Princess Anne, Prince Charles sister: Queen Elizabeth, the Queen Mother : Princess Margaret : and the Princess Royal. The Queen took the salute at the gates of the Palace after leading her troops back from the parade ground. June 11, 1953. (Photo by Reuterphoto).