Baseball Hall of Famer (1886–1963) considered one of the premier power hitters during the Dead-Ball era. Vintage fountain pen signature, “J. Franklin Baker, Yankees–Athletics 1908–1922,” on an off-white 5 x 3 card, with a small clipped photo affixed to lower right corner. Encapsulated in a plastic PSA/DNA authentication holder. In fine condition, with a bit of mild toning. RRAuction COA.