14x20.5” first and only printing for Jul. 18-30, 1967 concerts at California Hall featuring Big Brother & The Holding Company and Charlatans. Art by Greg Irons features bw image of man cranking grinder that reads “You Reap What You Sow” its drawer opens to reveal man playing guitar sitting in grass. Smoking man cranking grinder has smoke coming out of pipe reading “What Do You Think He’s Smoking?” A basket of marijuana leaves sits at base of grinder. Minor corner tip wear with 1” crease in upper left corner but o/w Exc.