?Monterey International Pop Festival June 16 17 18?. San Francisco: 1967? A later print of this iconic poster for the 1967 music festival, signed by eleven participants of the original festival, including Michelle Phillips; Donovan, Grace Slick (signed as ?Glap Slick?); Country Joe McDonald; Booker T. Jones; Steve Cropper; Donald ?Duck? Dunn; Richey Furay; Gary Duncan; Marty Balin; and Dave Freiberg. Approximately 14 x 11?. Minor rubbing, else fine. This festival was the first major American performance of the Jimi Hendrix Experience. With a COA from auction. Provenance: The Bo Overlock Collection. A-.