Vintage 3X5 index card signed in black felt tip ink nicely by Hank Greenberg. In excellent condition.(1911-1986) Hank Greenberg was nicknamed "Hammerin' Hank", "Hankus Pankus", or "The Hebrew Hammer", was an American professional baseball player and team executive. He played in Major League Baseball (MLB), primarily for the Detroit Tigers as a first baseman in the 1930s and 1940s. A member of the Baseball Hall of Fame and a two-time Most Valuable Player (MVP) Award winner, he was one of the premier power hitters of his generation and is widely considered one of the greatest sluggers in baseball history. He had 47 months of military service including service in World War II, all of which took place during what would have been prime years in his major league career.Comes with a full Letter of Authenticity from Todd Mueller Authentics.