The product is a Pokemon Tentacruel Blue Back #073 card from the Japanese Topsun set, manufactured by Nintendo in 1995. This vintage card features the Tentacruel character in a rare blue back finish, making it a desirable collectible for fans of the Pokémon Trading Card Game. With its Japanese size and language, this card is a unique addition to any card collection, especially for those interested in vintage and rare Pokémon cards.