This 27-card set of the New York Yankees was sponsored by the New York Bus Service, the Bronx-Manhattan Express, and was distributed in a booklet measuring approximately 7 7/8" square. The fronts feature color player portraits in white borders with a facsimile autograph. The backs are blank. The cards are unnumbered and checklisted below in alphabetical order. This set is highlighted by a pre-Rookie Card Don Mattingly.