ATK-F-037852-0000 Portrait of a Lady wearing a Blue Dress.,Oil/Canvas,20th century,Portrait,Mendelssohn Horsfall,Charles,1865-1942 Credit: Christie's Images / Artothek/Alinari Archives WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Collection: Artothek/Alinari Archives Object type: digital image Photographic technique: P digital image Technical info Image sizes (pixel): 2767 X 3800 Image sizes (cm at 300 dpi): 23 X 32 Image sizes (MB): 2.62 Color space: RGB