I went thru everything and didnt see this one yet, sorry if this is already authenticated...
http://cgi.ebay.com/Authentic-Balenciaga-Le-Dix-Motorcycle-Bag_W0QQitemZ170197802560QQihZ007QQcategoryZ63852QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Thank you!
Leather looks plastic, hardware is wrong. You can ask for more pictures if you'd like, but I'm pretty sure this is a fake.