https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13983170Edit ImageSaveSaveEditCropCustom TextA Dutch quack doctor promoting his wares before an audience of townspeople. Etching.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 795 x 1200 px | 300 dpiLarge JPEG 2242 x 3384 px | 300 dpiFree DownloadA Dutch quack doctor promoting his wares before an audience of townspeople. Etching.More