The 1976-77 O-Pee-Chee Hockey Complete Set includes 396 standard-sized trading cards featuring players from the National Hockey League (NHL). This vintage set, manufactured by O-pee-chee in the United States, is an original collection made of card stock. It includes a rookie card of Bryan Trottier, a legendary ice hockey player, making it a sought-after item for sports trading card enthusiasts and collectors alike.