The product is a vintage Pokémon Promo Mew card from the Pokémon League Convention in 1999. This standard-sized card, manufactured by The Pokémon Company, features Mew with 60 HP and is part of the Promo Cards set. Illustrated by Ken Sugimori, this Basic Pokémon card is in English and has a regular finish, making it a rare and sought-after collectible for fans of the Pokémon Trading Card Game.