The product is a Pokémon Mew Black Star Promo Holo card from the Pokémon League set, manufactured by The Pokémon Company in 2000. This vintage card features a Psychic-type creature with 50 HP and a Holo finish. It is a standard-sized card in English language and part of the Promo Pokemon League series, with a speciality of being an EX card. The card also includes a Swirl feature and is illustrated by Ken Sugimori. This collectible card is a must-have for Pokémon TCG enthusiasts looking to add a rare and unique piece to their collection.