The Mewtwo Lv.X #144 card from the World Championship Decks set, signed by David Cohen, is a rare and highly sought-after collectible in the Pokémon TCG. Manufactured by The Pokémon Company in 2009, this Level Up specialty card features the Psychic type character Mewtwo. This autographed card, ungraded and in excellent condition, is a valuable addition to any Pokémon card collection, especially for fans of the Pokémon World Championships.