https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8786522Edit ImageSaveSaveEditCropCustom TextPrevent Diphtheria Now! Close-up of sign on Trolley No. 5687Format:Still imageOriginal public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 950 px | 300 dpiLarge JPEG 2610 x 2066 px | 300 dpiFree DownloadPrevent Diphtheria Now! Close-up of sign on Trolley No. 5687Format:Still imageOriginal public domain image from FlickrMore