The product is a 2023-24 Upper Deck Credentials Purple #191 Rookie RC card of Matthew Knies from the Toronto Maple Leafs. This hard-signed card is graded as PSA 8, indicating it has been professionally authenticated. With a limited print run of only 10, this sports trading card is a valuable collectible for fans of ice hockey and Matthew Knies. The card is made of card stock, features serial numbering, and is an original release by Upper Deck. It is a sought-after item for collectors looking to add a rare and graded rookie card to their collection.