NEW YORK, NY.- One of the most famous and sombre images of the 20th century is for auction at Bonhams Madison Avenue New York on 9 December. Hours after the assassination of John Kennedy, Vice President Lyndon B Johnson raises his hand to be sworn in as the 36th President of the USA. Alongside him stands a shocked and grieving Jackie Kennedy in the blood-stained dress she had worn as she cradled her dying husband in her arms. The picture – signed by President Johnson – was taken aboard Air Force One by Chief White House Photographer Cecil Stoughton and is part of a fascinating cache of photographs charting the Kennedy Presidential years expected to raise more than $200,000. In stark contrast is a very rare photograph of Marilyn Monroe with John Kennedy and his brother, Attorney