The product is a rare pair of 1998 Topps Finest Mystery Inserts SP cards featuring Mark Messier in a Bronze Foil parallel variety. These original English language cards are part of the National Hockey League (NHL) set and are authenticated by Fleer. Made of paper and metal, these standard-sized sports trading cards are a valuable collectible for fans of ice hockey and the New York Rangers. The mysterious inserts add an extra element of excitement for collectors looking to add unique pieces to their collection from the 1998 season.