https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13987176Edit ImageSaveSaveEditCropCustom TextJohn Allen. Stipple engraving by J. Hopwood, 1809.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 793 x 1200 px | 300 dpiLarge JPEG 2165 x 3277 px | 300 dpiFree DownloadJohn Allen. Stipple engraving by J. Hopwood, 1809.More