The product is a vintage Pokemon Trading Card Game (TCG) Mew Black Star Promo card, featuring the Psychic attribute and a high HP of 50. This standard-sized card is from the Wotc Promo set and is in English language. It is illustrated by Ken Sugimori and is a Basic stage Pokemon card with EX speciality, making it a sought-after collectible item for Pokémon TCG fans. The autograph, if any, would be by Kouki Saitou and authenticated by Professional Sports Authenticator (PSA).