Nearly all Jordan sell on e-bay is fake especially special edition they all came from the same sources like (alibaba.com)
To make sure you buy a good one :
1. Check the feedback and the buyers profile. It is suggest to buy shoes from power seller and the usually give you better quality.
2. The range of the shoes will not usually lower then $35 US unless it is the last pair ...
3. Determine the shipping cost. because the product may be cheap but the shipping cost will be extermly high ....so beware of it..