Eve ['The Nightmare'] (recto); Eve ['The Nightmare'] (verso) by Paul Gauguin https://www.rawpixel.com/image/14325698/eve-the-nightmare-recto-eve-the-nightmare-verso-paul-gauguinFree Image from public domain licenseA collection of figures depicting phallic motifs. Etching, 1699. https://www.rawpixel.com/image/13993762/collection-figures-depicting-phallic-motifs-etching-1699Free Image from public domain licenseA figure in the form of a phallic motif. Process print, 1921. https://www.rawpixel.com/image/13973379/figure-the-form-phallic-motif-process-print-1921Free Image from public domain licenseScaraboid: Face Motif on Top; Two Figures Holding Flower on Base by Ancient Egyptian https://www.rawpixel.com/image/9009899/photo-image-flowers-men-coinFree Image from public domain licenseA figure in the form of a phallic motif. Process print, 1921. https://www.rawpixel.com/image/13975650/figure-the-form-phallic-motif-process-print-1921Free Image from public domain license