The Ault & Wiborg Co. makers of lithographic & letter press printing inks, Cincinnati, Chicago. (1900) vintage poster.… https://www.rawpixel.com/image/8631679/image-flower-art-public-domainFree Image from public domain licenseAult & Wiborg Company, makers of inks for the lithographic and letter press trade. https://www.rawpixel.com/image/8649296/image-art-vintage-public-domainFree Image from public domain license