Presented for your consideration is this gorgeous ORIGINAL concert poster created by George Chacona and Marty Rice for live concert performances by Spooky Tooth, David Blue, Seatrain, the Cleveland Wrecking Crew, and Petros at The Matrix in San Francisco, California on September 17-21 & 24-28, 1968. The artworks a REALLY Cool. Featured in the Art of Rock as Plate #2.119. Measuring 18″ x 23″ this 56 year old Vintage Sixties collectable remains in EXCELLENT condition. A very minor lower right corner crease can be seen. No tears, pinholes, or rips. These poster NEVER turn up. Here’s your chance to pick one up for an excellent price.