https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13958232Edit ImageSaveSaveEditCropCustom TextFour portraits of emperors. Colour woodcut by Chikanobu, 1878.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 857 px | 300 dpiLarge JPEG 3338 x 2384 px | 300 dpiFree DownloadFour portraits of emperors. Colour woodcut by Chikanobu, 1878.More