https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14001441Edit ImageSaveSaveEditCropCustom TextJohn Abernethy. Stipple engraving after C. Penny.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 692 x 1200 px | 300 dpiLarge JPEG 1321 x 2291 px | 300 dpiFree DownloadJohn Abernethy. Stipple engraving after C. Penny.More