https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13960036Edit ImageSaveSaveEditCropCustom TextHuman skulls: three figures showing the skulls of an African, a Native American and a Chinese. Stipple engraving, 1843.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 738 px | 300 dpiLarge JPEG 3424 x 2106 px | 300 dpiFree DownloadHuman skulls: three figures showing the skulls of an African, a Native American and a Chinese. Stipple engraving, 1843.More