NEW YORK, NY.- On 17 December 2009 at 2pm, Sotheby’s New York will hold its bi-annual sale of Important 20th-Century Design beginning with works from the Art & Crafts, Art Nouveau, Art Deco, and American Modern movements, and concluding with Mid-Century and Contemporary design. Highlighting the sale is an offering of 25 lots collected by Stephen Gray, one of the foremost authorities on the Arts and Crafts movement. The Important Tiffany auction will follow at approximately 3:30pm and features a topcaliber range of objects representing the diverse disciplines of Tiffany Studios.