Key card from the small but mighty 1922 Easter Exhibit Supply issue this featuring Walter Johnson at the conclusion of his famous sidearm delivery. Graded EX-MT 6 by PSA one of only four at this level with just three graded higher. Outstanding image quality with some slight signs of dirt near the upper edge light corner touches and some even toning on the postcard reverse. An outstanding example of a quality card from an important 1920s issue.