The 2023 Topps Heritage High Number box contains 156 standard-sized cards featuring Major League Baseball players. Manufactured by Topps in the United States, these baseball trading cards are factory sealed in a single box. With 17 packs of 9 cards each, collectors can enjoy a variety of cards from the 2023 season. The set includes autographed cards authenticated by Topps, all made of sturdy card stock material. Perfect for baseball fans and collectors looking to add to their sports memorabilia collection.