One thing i learned about authentic vs variant/grey market Jordan IV's is that they very seldom get the tongue correct.
That is usually a dead giveaway. Noticed how on the top of the ones you posted look very choppy and disgruntled?
They should be seamless.
The jordan in the back is fat (usually not a good indicator, but Jumpman on mines are mightily healthy. Hee heehee) .
The stitching on the front toe box where the forefoot meets the sole has a huge gap.
And last but not leastest... the spacing between the netting and the lace strap is off a bit.
Aka, i have much reason to believe that those are foolgazy.
For your reference...