Original 1st/only printing 5&1/8 x 7" concert/event handbill for the 9/12/1987 Summer of Love Anniversary Celebration at Golden Gate Park in San Francisco CA

which featured performances by the KBC Band, Country Joe & the Fish, the Dinosaurs, Big Brother & the Holding Company, Jesse Colin Young, Wavy Gravy and more. Art by Stanley Mouse, Alton Kelley, Rick Griffin, Wes Wilson and Victor Moscoso. Medium glossy stock handbill is in excellent (B+) condition; just a bit of very light handling and  couple of tiny corner bends, otherwise fine. Additionally, this card has been signed by Mouse, Moscoso (on the front) and Country Joe McDonald (on the reverse).