Class Reunion is an insert set in 2004 Playoff Honors. This 20-card set features players who will forever linked with another because of draft class (cards 11-20) or Hall of Fame class (cards 1-10). Each base card is serial numbered to the specific year. The base set is paralleled by a Materials set with pieces of game used memorabilia. Each of the Materials parallels is serial numbered to 25-250 copies each.