https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14004661Edit ImageSaveSaveEditCropCustom TextAn itinerant surgeon extracting stones from a man's head; symbolising the expulsion of 'folly' (insanity) Line engraving after L. van Leyden.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 774 x 1200 px | 300 dpiLarge JPEG 2256 x 3500 px | 300 dpiBest Quality JPEG 2269 x 3520 px | 300 dpiFree DownloadAn itinerant surgeon extracting stones from a man's head; symbolising the expulsion of 'folly' (insanity) Line engraving after L. van Leyden.More