Signed book: Connie Mack’s Baseball Book. First edition. NY: Alfred A. Knopf, 1950. Hardcover, 6 x 8.5, 234 pages. Signed on the first free end page in fountain pen “Connie Mack.” In fine condition, with a light shade of toning to signed page, not detracting from bold signature. COA Steve Grad/PSA/DNA, COA Mike Gutierrez/Global, and R&R COA.