1991, signature lower right, (2) exhibition posters items printed on heavy paper stock; text in right margin “a portion of the proceeds goes to benefit Act Up and Amnesty International © 1991 Robert Longo”; one depicting “Gretchen” in black and gray tones; the second is a young man leaning back, his tie flying over his head in black and gray tones; presented in a heavy gauge clear plastic art sleeve with cardboard backing