This is 1 of 4 high quality, collectible bookmarks created by official photographer, Barry Z Levine, to commemorate the historic Woodstock Festival.

Reads on the back:

The Dead's sound tech, Owsley Stanley (producer of millions of hits of LSD), rewired the sound system and each time the band touched a mic, they got shocked. The dead thought their performance was so bad, they declined to have it included in the documentary film. 

"An incredible all-access pass to Woostock...an intimate time capsule...the vivid picuture drawn through word and image is mesmerizing...the peace and love essence...rings out loud and clear." Kirkus