One dozen Official American League factory sealed baseballs from the late 1970's or early 1980's each with the stamped signature of the day's president, Lee Mac Phail. All balls are assumed to be Mint with their outer packaging grading overall as EX-MT with only minor color fading from age. Average condition is NRMT. The original twelve-count display box shows expected wear to the edges, with clear tape securing the front right corner.