The product is an authentic index card signed (front and back) by Fred Hatfield, who made his MLB debut with the Boston Red Sox in 1950. This vintage item from the United States is a must-have for any baseball fan or collector looking to add a piece of sports history to their collection. With the signature of a legendary player and a piece of memorabilia from a famous team, this index card holds great value and sentimental significance in the world of sports memorabilia.