[Clean] Moscoso, Victor. (b. 1936) Haight-Ashbury Clean In - Original PosterOriginal poster designed by Moscoso, one of the "Big Five" San Francisco psychedelic poster artists, promoting a clean in in the Haight Ashbury neighborhood. According to the MOMA, which has a copy of the poster in its collection, "There was growing public resistance in the late 1960s to the alternative lifestyle and values of the hippie movement, especially in San Francisco, its center. Moscoso recalls how, in the spring of 1967, 'the SF police were