I agree.
Production dates don't matter. They shouldn't be the deciding factor whether or not they are legit. If these were post production runs then they already know what the release day production dates are.
Those are post production pairs. Unauthorized pairs (high quality variants) that were produced after the initial release date in 2009. A lot of these pairs are popping up out of no where.
http://www.sneakerfiles.com/2011/08/19/discussion-are-they-legit-if-nike-doesnt-approve/
Thank you for the article. These "ghost" space jams are being produced AFTER the original release and since the secondary market prices for these are so high, they are able to make them at this quality (carbon fiber and etc) and profit. That is why these "unauthorized" pairs or high quality...