A plant (Caltha radicans) related to kingcups: flowering stem and floral segments. Coloured engraving after J. Sowerby, 1810. https://www.rawpixel.com/image/13959319/image-flower-plant-artFree Image from public domain licenseA wealthy Chinese man sits at home smoking: two servants stand nearby. Coloured aquatint by T. & W. Daniell, c. 1810. https://www.rawpixel.com/image/13969463/image-plant-person-artFree Image from public domain licenseLe Chevalier D'Éon, a man who passed as a woman. Stipple engraving by R. Cooper, 1821. https://www.rawpixel.com/image/13978961/image-cartoon-face-personFree Image from public domain licenseImpression of fishes on black schistose slate found at Isleben in Germany. Line engraving by Milton. https://www.rawpixel.com/image/13997422/image-paper-art-animalFree Image from public domain license