The product is a Mewtwo 51/108 Rare Evolutions Reverse Holo Pokémon card from the XY - Evolutions set, manufactured in 2016. This collectible card game item belongs to the Pokémon series and features the character Mewtwo in a rare reverse holo finish. It is a sought-after addition for collectors looking to enhance their card collections with unique and valuable Pokémon cards.