1984 topps baseball and football cards including packs and boxes with dan marino, john elway and don mattingly rookie cards.  There are also the 1984-85 Topps hockey cards that have Steve Yzerman and Pat LaFontaine rookie cards.  The baseball cards have Don Mattingly as mentioned as well as Darryl Strawberry rookies along with a slew of hall of famers and second year cards of Tony Gwynn, Wade Boggs and Ryne Sandberg.  The football card set is one of the most famous of the 1980's and boasts rookies of John Elway and Dan Marino along with Howie Long and Eric Dickerson.  There are more rookies than that too such as Darrell Green and Jackie Slater and Roger Craig.  The football cards from 1984 are the best set out of these but the baseball and hockey offer great opportunity for future investment value in the long run.  Hockey is unique because there are so few cards in the set, an unopened box will probably net tons of Yzermans and Gretzkys.