The 1939 Play Ball #56 Hank Greenberg PSA Auth Altered Detroit Tigers trading card is a vintage sports collectible featuring the Major League Baseball player Hank Greenberg from the Detroit Tigers. This original card from the 1939 Play Ball set is graded as authentic altered by Professional Sports Authenticator (PSA), adding to its value and authenticity. Made of card stock in the United States, this English-language sports trading card is a must-have for baseball fans and collectors looking for a piece of history from the 1939 season.