The product is a 1999 Ancient Mew I Nintendo Error Promo Japanese Pokemon card from the Pokémon TCG. This rare collectible card features the iconic Pokémon Mew and was manufactured by Nintendo in the United States. As a part of the Pokemon Promos set, this card holds value for collectors and fans of the Pokémon franchise. The card is a unique piece that showcases the evolution of Pokémon cards over the years and is a sought after item in the world of CCG Individual Cards.