The product is a PSA 10 Dark Ivysaur Best of Game Winner Stamp promo card from the Pokémon TCG, manufactured by Wizards of the Coast in 2003. This rare collectible features the character Ivysaur in English language and has a regular finish. As a Best of Game winner, this card holds special significance for collectors and fans of the Pokémon TCG looking to add a unique and valuable piece to their collection.