Whitney Warren (American, 1864–1943). Tile Floor, Diane de Poitiers Bedroom, Château de Chaumont, June 12, 1888. Brush and watercolor, graphite on off-white wove paper tipped into binding with fabric, 12 5/8 × 9 3/4 in. (320 × 248 mm), irregular. Cooper-Hewitt, National Design Museum, Smithsonian Institution, Gift of Mrs. William Greenough, 1943-51-216 Cooper-Hewitt’s Drawings, Prints,...