https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13985624Edit 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 780 x 1200 px | 300 dpiLarge JPEG 1290 x 1984 px | 300 dpiFree DownloadAnimal skull, shown from beneath, above and from the side. Lithograph by R. Ball , 1857.More