The 2009 Upper Deck USA Box Set Bryce Harper Triple Jersey Auto 18U trading card is a highly sought-after collectible item in the sports trading card market. This card features a young and talented baseball player, Bryce Harper, who has signed it with his autograph, making it a valuable piece for any fan or collector. The card also includes three jerseys from the player, adding an extra layer of rarity and authenticity to the item. This rookie card is a must-have for any baseball card enthusiast looking to add a piece of Harper's early career to their collection.