The 1999 Pokémon TCG Mewtwo #3 Kids WB Stamped Movie Promo Card is a vintage collectible card from The Pokémon Company. This standard-sized card features Mewtwo, a Psychic-type Pokémon with 70 HP, illustrated by Ken Sugimori. It is part of the Promo Cards set and is specially marked with a stamped Kids WB Movie Promo. This rare card, signed by Ryo Ueda, is a valuable addition to any Pokémon TCG collection, showcasing the iconic Mewtwo character in its Basic stage.