https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13984291Edit ImageSaveSaveEditCropCustom TextThree trephinated skulls of people who may have suffered from headaches or epilepsy, Papua New Guinea. Halftone.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 801 x 1200 px | 300 dpiLarge JPEG 2214 x 3318 px | 300 dpiFree DownloadThree trephinated skulls of people who may have suffered from headaches or epilepsy, Papua New Guinea. Halftone.More