13-15/16x21-7/16" first printing Type B poster, the second of two variants of the first printing, identified by a brown border that runs along the top third of poster. Poster is for Aug. 1-6, 1967 concerts that took place at the Fillmore Auditorium in San Francisco, CA featuring Muddy Waters, Buffalo Springfield and Ritchie Havens. Art by Bonnie MacLean features human face at center surrounded by swirls of hair. MacLean has signed in black felt tip pen at lower right. Some corner tip wear at lower left and 4x5" area of faint rippling at lower right. Fine/VF.