Color glossy 14 x 11 photo of the soundtrack’s album cover, signed in blue felt tip by 16 performers: Johnny Winter, Edgar Winter, John Sebastian, Jack Cassady, Paul Kantner, Marty Balin, Wavy Gravy, Country Joe McDonald, Juma Sultan, Fito de la Parra, Larry Taylor, Harvey Mandel, Steve Knight, Tom Constanten, Cynthia Robinson, and Jerry Martini. In fine condition, with some light soiling to lower right corner. Pre-certified PSA/DNA and RRAuction COA.
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