https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13971407Edit ImageSaveSaveEditCropCustom TextA type of cod. Etching.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 903 px | 300 dpiLarge JPEG 3050 x 2294 px | 300 dpiFree DownloadA type of cod. Etching.More