The 2025 Skybox Batman Metal Universe Secret Identity Penguin Oswald SI-6 trading card is a highly sought-after collectible for fans of the Batman franchise. This standard-sized card featuring the character Penguin from the Batman series is an original release by SkyBox, adding to its value and appeal to collectors. With its metal material and English language, this non-sport trading card is a must-have for any Batman enthusiast looking to expand their collection with a unique and rare piece.