https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14008413Edit ImageSaveSaveEditCropCustom TextFra Gerardo, founder of the Order of St John of Jerusalem. Line engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 897 x 1200 px | 300 dpiLarge JPEG 2350 x 3145 px | 300 dpiFree DownloadFra Gerardo, founder of the Order of St John of Jerusalem. Line engraving.More