Engraved portrait of Olivier de Serres, French School, 19th century. Engraving on paper. Oval portrait of Olivier de Serres, French Renaissance humanist and agronomist, depicted with a trimmed beard, white ruff, and austere clothing in the humanist tradition. The drawing displays precise contours and a refined network of lines that lends volume and depth to the bust. The composition reflects the 19th-century historical taste for illustrious figures in science and culture, highlighting the subject's serenity and the print's documentary nature. Dimensions: 15 x 12 cm; 26 x 23 cm.