Henri Matisse (French, 1869-1954). White Alga on Orange and Red Background (Algue blanche sur fond orange et rouge), 1947. Gouache on paper, cut and pasted. 20 11/16 x 15 15/16 (52.5 x 40.5 cm). Mr. and Mrs. Donald B. Marron, New York. © 2014 Succession H. Matisse / Artists Rights Society (ARS), New York