Amethyst, pattern molded in diamond above 28 vertical flutes. Original from the Minneapolis Institute of Art. https://www.rawpixel.com/image/7653956/photo-image-plant-vintage-artFree Image from public domain licenseA surgeon letting blood from a woman's arm, and a physician examining a urine-flask. Oil painting by a Flemish painter, 18th… https://www.rawpixel.com/image/13957268/image-person-art-phoneFree Image from public domain license