Official promoter-issued (1966/67) 2nd printing 14&1/4 x 20&1/8" concert poster for the Grateful Dead with the Jefferson Airplane at the Fillmore Auditorium in San Francisco, CA from 8/12-13/1966

1967 3rd printing 14 x 24&3/4" concert poster for Bola Sete with Buffalo Springfield and Country Joe & the Fish at the Fillmore Auditorium in San Francisco, CA on 11/11-13/1966.