1971. 9 3/4" x 13". Original handbill designed by Gary Grimshaw announcing a benefit for the John Sinclair Freedom Fund featuring Detroit/Mitch Ryder, Up, and the Motor City Mutants at the Grande Ballroom, Detroit. SIGNED by Gary Grimshaw. NEAR FINE.

Gary Grimshaw was an American graphic artist active in Detroit and San Francisco; he specialized in designing rock concert posters. He was also a radical political activist with the White Panther Party and related organizations.