Glossy sepia-toned 8 x 10 photo of Jimi Hendrix on stage at Woodstock, signed in blue or black felt tip by Grace Slick, Wavy Gravy, John Sebastian, Donny York and Jacko, Juma Sultan, Jerry Velez (adding 8/18/69), Country Joe, Steve Knight, Marty Balin, Cyntha Robinson, Jerry Martini, and Tom Constenten. In fine condition. RRAuction COA.