Description:November 20, 1977 Tony Dorsett autographed Pittsburgh Steelers vs. Dallas Cowboys game ball. Wilson Pete Rozelle Official NFL football has vintage marker notation on the side panel reading, "11-20 1977 P-28 D-13." Signed on the panel below "To Mike Best Always, Tony Dorsett" in faded black marker rating approx. 3-3/4 out of 10. Evident use/wear throughout. Includes auction LOA from JSA and letter of provenance from the Cupon family: EX