The product is a PSA 9 Mint 1999 Merlin Pokemon #S23 Mew-Prism card from the Pokémon TCG franchise. This vintage card features the character Mew, illustrated by Ken Sugimori, and has a holo finish. It is a standard-sized card made of paper and is graded by Professional Sports Authenticator (PSA). This collectible item is a part of the Pokémon League event and is highly sought after by collectors and fans of the Pokémon series.