Color glossy 11 x 14 photo of a poster for Woodstock, signed in blue felt tip by 13 performers: Steven Stills, Johnny Winter, Grace Slick (2), John Sebastian, Melanie, Wavy Gravy, Country Joe McDonald, Donny York, Jerry Martini, Cynthia Robinson, Juma Sultan, and Tom Constanten. In very fine condition. RRAuction COA.
