The main difference between the Brown and the Black version is that the Black version also has a QR code on the side for verifying authenticity by going to this link and entering in the information here:
There is also a video showcasing it here:
Here is the pictures of their boxes.
Also here is another picture from a fellow member:
Also another view of both boxes:
Black Version Box Side (note the QR Code):
Edited by Ordo Ab Chao - 2/16/14 at 3:13pm