The BGS 2021 Upper Deck Black Diamond THANOS Brolin Diamond Facet #DF-12 is a non-sport trading card featuring the character Thanos from the Marvel Cinematic Universe (MCU). This card is part of the Black Diamond set manufactured by Upper Deck in 2021. The card showcases a unique Diamond Facet design and is autographed by Josh Brolin, the actor who portrays Thanos. This collectible item is a must-have for fans of the Marvel franchise looking to add a rare and valuable piece to their trading card collection.