https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14011648Edit ImageSaveSaveEditCropCustom TextG. Kirkland, 30 Plates of the small pox and cow pox.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 747 px | 300 dpiLarge JPEG 3500 x 2178 px | 300 dpiBest Quality JPEG 5500 x 3423 px | 300 dpiFree DownloadG. Kirkland, 30 Plates of the small pox and cow pox.More