The 2021 Skybox Metal Universe Champions Skybox Premium Allen Iverson #S-2 Insert trading card is a premium edition card featuring Hall of Famer Allen Iverson from the Philadelphia 76ers in the National Basketball Association (NBA). This original card is part of the 2021 Skybox Metal Universe Champions set, manufactured by SkyBox in the United States. It includes special features such as a hologram, short print, holo, insert, and refractor, making it a highly sought-after collectible for basketball fans and card enthusiasts alike.