The product is a CGC 10 Mew Ex SAR 347/190 SV4a Shiny Treasure Pokemon card from the Japanese version of the Pokémon Trading Card Game. This highly sought-after card features a shiny design and is in pristine condition with a perfect 10 rating from CGC. It is a rare and valuable collectible for fans of the Pokémon TCG looking to add a unique piece to their collection.