https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13953710Edit ImageSaveSaveEditCropCustom TextThree perspectives of a skull sectioned and numbered according to Gall's system of phrenology. Engraving, 1806.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1031 x 1200 px | 300 dpiLarge JPEG 2680 x 3120 px | 300 dpiFree DownloadThree perspectives of a skull sectioned and numbered according to Gall's system of phrenology. Engraving, 1806.More