The product is a Pokémon TCG Mewtwo #3 Black Star Promo card from the first movie released in 1999. This vintage card features a standard size and is made of card stock. It is part of the Promo Cards set and has been authenticated by Professional Sports Authenticator (PSA). The card is illustrated by Ken Sugimori and is a Basic stage Pokémon card in English language. With a Grade 1 rating from Ace Grading, this collectable is a coveted item for Pokémon TCG enthusiasts and collectors alike.