Color glossy 11 x 14 photo of the poster from the Monterey Pop Festival, signed in various inks by Michelle Phillips, Grape [Grace] Slick, Richey Furay, Country Joe, Steve Cropper, Booker T. Jones, Marty Balin, Duck Dunn, David Freiberg, and Gary Duncan. A few dings, otherwise fine condition. RRAuction COA.
