Offered is an original Bill Graham BG-207 first printing concert poster, professionally graded CGC 9.6, advertising the legendary performances by Santana, Grand Funk Railroad, and Fat Matress featuring Noel Redding at Winterland Ballroom in San Francisco on December 18-21, 1969. Designed by acclaimed psychedelic artist David Singer, BG-207 is one of the most recognizable late-1960s Bill Graham posters, featuring an iconic blue border surrounding a dramatic nature photograph. Original first printings were produced before the concerts and remain highly sought after by collectors of psychedelic art, San Francisco rock memorabilia, and vintage concert posters. This example has been authenticated and encapsulated by CGC, receiving an outstanding 9.6 grade, placing it among the finest surviving examples. BG-207 Bill Graham Series. Original Pre-Concert First Printing. Performers: Santana, Grand Funk Railroad, Fat Matress with Noel Redding. Venue: Winterland Ballroom, San Francisco. Dates: December 18-21, 1969. Size: 13.75″ x 21.81″. CGC Universal Grade: 9.6. Encapsulated for long-term protection.