The 1948 Leaf Stan Musial Rookie (RC) #4 PSA 1 is a highly sought-after sports trading card featuring the legendary Major League Baseball player Stan Musial. This specific card is from the 1948-49 Leaf set and is a true rookie card, making it a valuable collector's item for fans of Musial and the St. Louis Cardinals. With great centering and a new certification, this card is sure to be a prized addition to any baseball card collection.