https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13963398Edit ImageSaveSaveEditCropCustom TextSkull, resting on a block of stone. Black chalk drawing, 18--.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 828 x 1200 px | 300 dpiLarge JPEG 2173 x 3150 px | 300 dpiFree DownloadSkull, resting on a block of stone. Black chalk drawing, 18--.More