How do I post an item to see if it is authenticate?

[Susan Noll]

Can you advise me if this bag is real or not? This is my first time doing this and I have a gut feeling I bought a knock off.. Thanking you in advance.
AUTH PRE-OWNED LOUIS VUITTON MONOGRAM MINI MONTSOURIS GM BACKPACK
Seller information
laurrobinso52 (0 )
Item condition:Pre-owned
Ended:Jul 21, 2016 , 3:21PM
Sold for:
US $650.00
Shipping:
$7.35 Expedited Shipping |
Item location:
Fresno, California, United States
Seller does not offer returns.
eBay item number:
152156575217
Item specifics
Conditionre-owned: Style: Backpack Style

http://i.ebayimg.com/images/g/ITAAAOSwXeJXf~q2/s-l64.jpg

 

[Elliespurse]

Hello and welcome! I moved your other post to the LV thread here: http://forum.purseblog.com/threads/authenticate-this-louis-vuitton.926508/page-589#post-30476125

Wait there for answers.

Good luck.

 

[Susan Noll]

Thank you so much. I really appreciate all the help. Like I said this is my 1st post.