https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13998561Edit ImageSaveSaveEditCropCustom TextSkulls of various species of animal: 21 figures, including the skulls of a stag, an elephant, a cow, and a horse. Line engraving, 1790/1830.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 966 x 1200 px | 300 dpiLarge JPEG 2464 x 3060 px | 300 dpiFree DownloadSkulls of various species of animal: 21 figures, including the skulls of a stag, an elephant, a cow, and a horse. Line engraving, 1790/1830.More