https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988089Edit ImageSaveSaveEditCropCustom TextPietro Canal. Black chalk drawing heightened with white on toned paper.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 891 x 1200 px | 300 dpiLarge JPEG 2388 x 3216 px | 300 dpiFree DownloadPietro Canal. Black chalk drawing heightened with white on toned paper.More