Original 1st printing 8&1/2 x 11" double-sided concert flyer for a series of Boyd Grafmyre-produced shows held at Eagles Auditorium and at the Seattle Center Arena from 6/21-8/10/1968.
Acts listed include: Iron Butterfly (6/21-23), The Paul Butterfield Blues Band (6/28-29), Blue Cheer (7/5-6), The Doors (7/12 at Seattle Center), Steppenwolf (7/26-27), Moby Grape (8/2-3) and Pink Floyd (8/9-10). The reverse has album covers for all acts listed, except Pink Floyd.
Art by Michael Condon, thin flat stock handbill is in superb near mint (A-) condition; just the slightest trace of handling, otherwise it is an absolutely gorgeous example of this PNW concert flyer with an unbeatable lineup of psychedelic and blues-rock artists.