Seems legit. You can tell its real by the picture.
http://www.ebay.com/itm/Nintendo-NX-Prototype-/321867149980?hash=item4af0c6f29c
So who from GAF is going to buy it to see what it actually is?
http://www.ebay.com/itm/Nintendo-NX-Prototype-/321867149980?hash=item4af0c6f29c
So who from GAF is going to buy it to see what it actually is?