https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14001059Edit ImageSaveSaveEditCropCustom TextAnimal skull, shown from beneath, above and from the side. Lithograph by R. Ball, 1857.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 771 x 1200 px | 300 dpiLarge JPEG 1272 x 1981 px | 300 dpiFree DownloadAnimal skull, shown from beneath, above and from the side. Lithograph by R. Ball, 1857.More