Hilary Knight, Original Plaza Hotel portrait of Eloise (1956)- Fine Books and Manuscripts Sale, Bonhams, New York, 5 December. Estimate $100,000-$150,000: Eloise, an adventurous girl who lives on the “tippy-top” floor of New York’s Plaza Hotel in Kay Thompson’s children’s books of the same name, came alive through Hilary Knight’s illustrations; his portrait of Eloise was created for Thompson as a gift. The work, however, has had a life as mischievous as Eloise herself. After