https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13956401Edit ImageSaveSaveEditCropCustom TextRobert W. Dunn. Photograph by Ernest Edwards, 1868.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 867 x 1200 px | 300 dpiLarge JPEG 2300 x 3183 px | 300 dpiFree DownloadRobert W. Dunn. Photograph by Ernest Edwards, 1868.More