https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13985226Edit ImageSaveSaveEditCropCustom TextA woman holding the caduceus and a bunch of keys; representing dialectic. Engraving by E. Delaune, ca. 1560.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 495 x 1200 px | 300 dpiLarge JPEG 1003 x 2432 px | 300 dpiFree DownloadA woman holding the caduceus and a bunch of keys; representing dialectic. Engraving by E. Delaune, ca. 1560.More