The product is a highly sought-after 2017 Pokemon Sun & Moon Shining Legends Secret #78 Mewtwo GX card graded as a PSA 10. This rare card features a shiny holo finish and belongs to the Basic stage in the Pokémon TCG game. Being a Secret card adds to its rarity and appeal among collectors. With its iconic character and speciality as a Legend, this English-language card is a valuable addition to any Pokemon card collection.