there are several that I think would be highly desirable.
'51 Bowman Mantle
'51 Bowman Mays
'54 Topps Aaron
'54 Topps Banks
'55 Topps Koufax
'55 Topps Clemente
those would be a few off the top of my head...
Texans81's comic book giveaways thread: http://www.blowoutcards.com/forums/comicbookjunkie/674983-texans81s-comic-giveaways.html#post6788137