The TAG 10 GEM MINT Mewtwo #052 Black Star Promo from the 2023 Pokémon TCG S&V UPC is a highly sought-after collectible card featuring Mewtwo, a Psychic-type creature with 130 HP. This single-insert card is part of the Scarlet & Violet set and boasts a holo finish. Graded as a perfect 10 by Trading Card Grading (TCG), it is a rare Black Star Promo card manufactured by The Pokémon Company International. The card is in English and authenticated by Professional Sports Authenticator (PSA), making it a valuable addition to any Pokémon TCG collection.