Original 1st printing 11&3/4 x 24&1/4" concert poster for Jefferson Airplane, the Paul Butterfield Blues Band and the Grateful Dead appearing together at Winterland (*canceled/moved back to the Fillmore) in San Francisco, CA on 10/7-8/1966 (another show was subsequently added on Sunday the 9th).
Art by Wes Wilson, image is # 30 in the Bill Graham/Fillmore series.
Medium flat vellum stock poster is in good to very good (B to B/B+) condition; a thin 4" diagonal bend in the lower right-hand margin/edge, a set of tack/pin holes in each of the four corners, light toning, a 1" tear in the top center margin, a 1&1/2" diagonal bend in the top left corner, a few tiny surface dings and tiny "chipped" areas (1/8"or smaller) and a bit of very light handling wear, otherwise fine.
An overall very decent-looking 1st printing example of this early (1966) Wes Wilson Bill Graham poster with a great op-art design and a KILLER lineup.