Single-signed ball features the penmanship of former MLB Commissioner A. Bartlett Giamatti - signed as Bart Giamatti. Official 1989 All Star (Giamatti) game baseball is NRMT, and the blue ballpoint pen signature rates a strong 8/10. Per the included PSA LOA, the autograph grades 8/10, the ball grades 7/10, with an 0.5 addition for eye appeal raising the overall grade to 8.0. Giamatti's tenure as commissioner lasted only five months before his passing from a heart attack in 1989, however his most notable ruling remains in effect has he banned Pete Rose from MLB for betting on baseball, a ban that still stands. Comes with JSA, PSA LOAs.