Obviously most of the older cards had the stains because of the gum that was packed, and that year could of just been a complete screw up. As for the other 2 questions, I have no idea, I didn't/don't mess iwth baseball much and also before my time of collecting as I started about as good of a year as you ever could, 1984 for Football..........Dan Marino Rookie.........John Elway Rookie.......John Elway Rookie.........Eric Dickerson Rookie........Also Howie Long and Roger Craig, although their value was/is much less.........