Sargent portrait painting, three-quarter of a 47-year-old American woman with a weathered oval face and silver-streaked blonde waves in a chignon, wearing a high-necked plum silk gown with lace cuffs, seated at a mahogany desk with a pen in hand, alla prima strokes in the silk and lace, direct gaze with sharp intellect, warm desk lamp key with deep shadows, plum-and-gold grade with rich fabric texture, intellectual presence mood <lora:training_7185876-20260925065114500-wd6e:1>,