1967-68; A) Chuck Berry, Eric Burdon & The Animals, Steve Miller Blues Band. Designed by Greg Irons. 21-3/4″ x 14″; near mint condition. B) Mothers of Invention (Frank Zappa), James Cotton Blues Band, Joshua Light Show. Designed by Helen Hersh. 22″ x 14″; near mint condition. C) Paul Butterfield Blues Band, Cream, Southside Sound System. Designed by Bonnie MacLean. 21″ x 14″; near mint condition. D) Howling (Howlin’) Wolf, Big Brother & The Holding Company (Janis Joplin), The Harbinger Complex. Designed by Wes Wilson. 23-3/4″ x 14″; near mint condition. Each housed in plastic sleeve. Provenance: From a London Collection. These posters were originally sent to the Rainbow Theatre in London as part of a reciprocal poster exchange program with Bill Graham. They were collected by a former staff member of the Rainbow Theatre.