Christie’s PWC Day Highlights November 13, 2014 by Marion Maneker Lichtenstein, Collage for Nude with Beach Ball (1-1.5m) 3.189m USD Robert Motherwell, Open No 23 (800-1.2m) 2.4m USD de Kooning, Untitled (550-750k) 2.04m USD Theibaud, Sandwich (900-1.2m) 1.625m USD Mark Grotjahn, Untitled (600-800k) 1.025m USD Wool, Untitled (300-400k) 917k Richard Serra, Untitled (80-120k) 1.157m USD Warhol, Brillo Soap Pads Box (300-400k) 869k USD Roy Lichtenstein, Like New (400-600k) 785k USD Robert MotherwelSam Francis, Untitled (300-400k) 605k USD Marlene Dumas, Loreley (100-150k) 533k USD Jean Tinguely, Untitled (80-120k) 509k USD Warhol, Flowers (120-180k) 557k USD Warhol, Flowers (120-180k) 425k USD Roni Horn, Else 7 (80-120k) 389k USD Motherwell, Elegy Sketch with Amber (100-150k) 341k USD More from Art Market MonitorThe Big BenderChristie's Hillman-Lawrence SaleLittle Bit on BroadArt Deco, Rare but Holding ValueGood Samaritan Returns de Kooning Woman to Arizona Museum After 32 YearsArtprice’s Top 50 Contemporary Artists for 2013-14