1968. 23" x 35 1/4". Yippie Poster Original Youth International Party Manifesto Poster. Good.

Yippies, was an American radically youth-oriented and counter cultural revolutionary offshoot of the free speech and anti-war movements of the 1960s. Founded on December 31, 1967, Abbie and Anita Hoffman, Jerry Rubin, Nancy Kurshan, and Paul Krassner