https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13990010Edit ImageSaveSaveEditCropCustom TextNicolas Leblanc. Photograph after a medallion (reverse), 1887.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1192 x 1200 px | 300 dpiLarge JPEG 1713 x 1725 px | 300 dpiFree DownloadNicolas Leblanc. Photograph after a medallion (reverse), 1887.More