The product is a 1999 Mewtwo WOTC Black Star Promo 3 card from the Pokémon TCG, featuring the character Mewtwo and illustrated by Ken Sugimori. This card is a stamped promo, graded as an 8 NM/MT Mint, and is in English language. Being a rare find, this collectible card is highly sought after by collectors and fans of the Pokémon franchise.