Description:Rogers Hornsby autographed 1939 Centennial cachet. Original June 12, 1939 First Day of Issue postmarked "Centennial Of Baseball" cachet has been signed "Rogers Hornsby 1962" in ink rating 9 out of 10. Hint of light toning and wear. Includes full LOA from JSA: Sig. NM, Cover EX-EX/MT