NEW YORK, N.Y.- The Important American Paintings, Drawings and Sculpture auction at Christie’s New York on November 30, at 10 am, will lead off with two vibrant landscapes from Oscar Bluemner and Frederic Church, two superb Georgia O’Keeffe paintings and a heroic tableau of Columbus departing for the New World by Emanuel Leutze, the renowned painter of Washington Crossing the Delaware. A total of 136 lots will be offered, featuring outstanding works from diverse movements across the 19th and 20th centuries, including Hudson River School, American Impressionism, Modernism, and Western Art. The sale is expected to achieve in excess of $22 million. The auction and pre-sale exhibition will take place in Christie’s new 20th floor Special Exhibition Galleries, with 360-degree views of the Manhattan skyline. The O’Keeffe paintings, My Autumn and Black Iris (estimates: $2,000,000-3,000,000 and $1,200,000-1,800,000, respectively) and two Milton Avery paintings, Nude on the Beach and Sitting Hen, are part of the Property from a Distinguished West Coast Collection, which Christie’s has been honored to present in several sales this fall. Remarkable for the extraordinary quality, rarity and iconic status of the works included, the group of paintings and sculptures offers serious collectors a chance to buy important works that haven’t been available in decades.