The Pokémon TCG Mewtwo SM77 Black Star Promo Holo Card from 2017 is a special and collectible card featuring the iconic Psychic-type creature Mewtwo. This Standard-sized card has a shiny Holo finish, making it a sought-after item for fans and collectors. With 120 HP and being a Basic stage Pokémon, this English-language card is a valuable addition to any Pokémon TCG collection. It was signed by 5ban Graphics and authenticated by Professional Sports Authenticator (PSA), ensuring its authenticity and rarity as a promo card released by The Pokémon Company.