https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13951740Edit ImageSaveSaveEditCropCustom TextA young post boy is watched by another as he attempts to see what is inside an envelope. Chromolithograph.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 958 x 1200 px | 300 dpiLarge JPEG 2590 x 3243 px | 300 dpiFree DownloadA young post boy is watched by another as he attempts to see what is inside an envelope. Chromolithograph.More