https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13987817Edit ImageSaveSaveEditCropCustom TextPigs' teeth: seven figures showing the stages of development in pigs of different ages. Coloured etching, ca. 1860.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 960 px | 300 dpiLarge JPEG 2964 x 2372 px | 300 dpiFree DownloadPigs' teeth: seven figures showing the stages of development in pigs of different ages. Coloured etching, ca. 1860.More