Skull: two figures, showing side and front views. Watercolour by J. Mongrédien, ca. 1880. https://www.rawpixel.com/image/13951064/image-face-person-artFree Image from public domain licenseSkull: two figures, showing side and front views. Watercolour by A. Mongrédien, ca. 1880. https://www.rawpixel.com/image/13956902/image-face-person-artFree Image from public domain licenseA skull: two figures. Watercolour by J. Mongrédien, ca. 1880. https://www.rawpixel.com/image/13961968/skull-two-figures-watercolour-mongredien-ca-1880Free Image from public domain licenseBuster is coming (1907) vintage poster by Richard Felton Outcault. Original public domain image from the Library of… https://www.rawpixel.com/image/8683900/image-torn-paper-art-watercolorFree Image from public domain licenseA skull: two figures. Watercolour by A. Mongrédien, ca. 1880. https://www.rawpixel.com/image/13954891/skull-two-figures-watercolour-mongredien-ca-1880Free Image from public domain licenseA woman suffering from open sores and abcesses on her face and entire body. Watercolour by C. D'Alton, 1867. https://www.rawpixel.com/image/13985824/image-cartoon-face-personFree Image from public domain license