POP Report AUTH Question?

I was checking out the 1988 Maxx Set (Link). What does the Auth column mean? I thought it meant that it was a certified autograph but if you look at card 48, 76, 87 and 98 there are two rows for each. I am confused! Is there a difference between Auth and PSA/DNA?
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Are the cards of this set Hand Cuts? or is there any other rare characteristic about them?
PoppaJ