The product is a Japanese Mewtwo EX #50 card from the Pokémon Trading Card Game, featuring the Psychic-type Pokémon character Mewtwo. This speciality EX card, manufactured by The Pokémon Company, has a holo finish and is part of the Basic stage. While it is not autographed, it is authenticated by Professional Sports Authenticator (PSA) for its original listing. This collectible item is a valuable addition for fans of the Pokémon TCG, especially those interested in unique Japanese cards.