Besides Maravich, the other missing card is #136. Key cards include:
#7 Bill Bradley HOF EX
#13 Pat Riley HOF Rookie VG/EX
#20 Earl Monroe HOF EX
#50 Wilt Chamberlain HOF VG/EX
#65 Elgin Baylor HOF EX/MT
#70 Elvin Hayes HOF EX
#75 Lew Alcindor HOF VG/EX
#100 Oscar Robertson EX
#137 Calvin Murphy HOF Rookie EX
#143 Jo Jo White HOF Rookie EX
#148 Jerry Sloan HOF Rookie EX
#160 Jerry West HOF VG/EX
Most cards are either VG/EX or EX with a small handful of outliers. Checklists are unchecked.