Friedel Dzubas (1960) vintage poster by Robert Elkon Gallery. Original public domain image from the Library of Congress.… https://www.rawpixel.com/image/8683840/image-art-public-domain-abstractFree Image from public domain licenseFriedel Dzubas (1960) poster. Original public domain image from Library of Congress. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/8854567/image-vintage-abstract-public-domainFree Image from public domain license