Two hundred and fifty US posters predating 1923 are available for viewing and purchase at Zazzle.
Documenting the wartime viewpoints and diverse political sentiments of the twentieth century, the Poster Collection has more than one hundred thousand posters from around the world and continues to grow. Thirty-three thousand are available online. Posters from the United States, the United Kingdom, Germany, Russia/Soviet Union, and France predominate, though posters from more than eighty countries are included. Additional posters can be found in various individual archival collections.
Contact L&A For assistance contact archives [at] hoover [dot] stanford [dot] edu or 650-723-3563