https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/9404566Edit ImageSaveSaveEditCropCustom TextDr. Hooker's Cough and Croup Syrup (1870–1900), vintage dog postcard. Original public domain image from Digital Commonwealth. Digitally enhanced by rawpixel.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 761 px | 300 dpiLarge JPEG 3320 x 2106 px | 300 dpiTIFF 3320 x 2106 px | 300 dpi | 40.05 MBFree DownloadDr. Hooker's Cough and Croup Syrup (1870–1900), vintage dog postcard. Original public domain image from Digital Commonwealth. Digitally enhanced by rawpixel.More