Description:Thurman Munson single signed baseball. Spalding J.Cronin Official American League baseball, signed on the side panel, "Thurman Munson." Black fiber tipped marker signature rates 6/7 to 7 out of 10. Ball displays an even deep cream coloration and has a few scattered surface imperfections (one of these over signature). Includes full LOA from JSA: EX-EX/MT