https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8324955Edit ImageSaveSaveEditCropCustom TextEngraving by Peter Treveris of a trepanation. From Heironymus von Braunschweig's Handywarke of surgeriOriginal public domain image from Wikimedia CommonsMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1152 x 1200 px | 300 dpiLarge JPEG 1500 x 1562 px | 300 dpiFree DownloadEngraving by Peter Treveris of a trepanation. From Heironymus von Braunschweig's Handywarke of surgeriMore