https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13952678Edit ImageSaveSaveEditCropCustom TextHuman skulls: six examples, showing skulls of different racial types. Engraving by T. Milton, 1807.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 921 x 1200 px | 300 dpiLarge JPEG 2355 x 3070 px | 300 dpiFree DownloadHuman skulls: six examples, showing skulls of different racial types. Engraving by T. Milton, 1807.More