ONE OF THE FINEST!!!...Between them, Joe D and King Kong Keller smashed 52 homers in 1940, and this sensational duo card features both Yankee sluggers. This card exhibits many of its original factory qualities, including fine clarity and near-perfect centering, bold "bio" print, a clean bright surface and pinpoint corners—all consistent with the scarce PSA 8 technical assessment. Only two graded higher.