Richard Baringer. Bertha Schaefer Gallery. (1963) American poster. Original public domain image from the Library of… https://www.rawpixel.com/image/8683873/image-art-vintage-public-domainFree Image from public domain licenseAbstract colorful shape illustration. Remixed by rawpixel. https://www.rawpixel.com/image/8705155/image-art-abstract-vintage-illustrationView license