so i was looking at this messenger bag on e-bay and i like it a lot but i am kinda worried because i DONT want a knock off… can anyone tell me just by look at the pics and the info given if this a an authentic Louis Vuitton Messenger.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=110498806158&ssPageName=STRK:MEWAX:IT