https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13996548Edit ImageSaveSaveEditCropCustom TextCarolus Crassus. Line engraving by G. Porro, 1588.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 775 x 1200 px | 300 dpiLarge JPEG 2125 x 3290 px | 300 dpiFree DownloadCarolus Crassus. Line engraving by G. Porro, 1588.More