Black and white image of Wozniak's Blue Box. Verso label upper left corner with red writing: "CUT 105 7/7 FOCUS 50 80 CHIPS." Verso label center with typed text: "(c) The Computer Museum History Center, Contact us for reproduction rights, media@tcm.org, +1 415 604 2575." Verso notation bottom center edge in black pen 1972 (circled). Verso notation bottom right corner in black pen "WOZNIAK'S BLUE BOX." Verso number upper center edge in pencil 592.