Captain Beefheart and his Magic Band. Psychedelic lettering at its finest, by Wes Wilson.
Art by Robin Gnista
It was 46 years ago June 1967 that the opening of The Fillmore Auditorium Summer Series began with Jefferson Airplane, Gabor Szabo, & Jimi Hendrix. This rock poster was done by a somewhat unknown artist of the time Clifford Charles Seeley.