Lot of four. First two are 6.75x9.25" original display cards, each having four 2.25" dia. plastic disks w/basketball stars on one and football stars on the other. Text on both cards includes "The Great Names/The Big Games/Get The Facts Play By Play!/For Use With Instant Replay Record Player Only." © 1971 Mattel. Basketball card includes "Jerry Lucas/Wilt Chamberlain/Elgin Baylor/Pete Maravich." Football stars include "John Mackey/O. J. Simpson/Daryle Lamonica/Dick Butkus." Reverse of card is blank. All remain sealed under clear plastic. Remaining two items in the lot are 7x11" fold-over plastic display books which hold eight 2.25" dia. disks (same as previous two items). Display books remain sealed in clear cellophane. Each book represents basketball stars in one, football stars in other. Both covers include text "Instant Replay Collectors Album/Hear Play By Play Sports Action Featuring.." and then a list of players. Below list on both reads "For Use With Instant Replay Record Players Only/Includes Eight Records And 32-Page Sports Book/With Complete Rundowns! Performance Records! Pictures, Too!" By Mattel. Basketball stars included are Elgin Baylor/Wilt Chamberlain/John Havlecek/Jerry Lucas/Peter Marovich/Willis Reed/Oscar Robertson/Jerry West. Football stars include John Brody/Dick Butkus/Bob Hayes/Daryle Lamonica/John Mackey/Merlon Olson/Gail Sayers/O. J. Simpson. Enclosed booklet inside album measures 3x5". All four items are Exc. and sealed as issued.