Grateful dead ultra rare 1969 orig. 1st printing 22 x 14 concert window card features an amazing image by longtime bill graham house artist david singer! THIS IS AN ULTRA RARE ORIGINAL AUTHENTIC 22 X 14 1ST PRINTING CONCERT WINDOW CARD FOR A GRATEFUL DEAD CONCERT ENGAGEMENT (12/4-12/7/69) AT BILL GRAHAM'S HISTORIC FILLMORE WEST MUSIC VENUE!