The product is a CGC authentic signed Dan Green Pokémon Trading Card Game Mewtwo SM77 SM Holo promo card. This English-language card features a Basic stage Pokémon with 120 HP, illustrated by Kouki Saitou. Manufactured by The Pokémon Company in the United States, this collectible card is a rare find for Pokémon TCG enthusiasts looking to add a unique piece to their collection.