Not a lot of pics, but still looks authentic...
http://cgi.ebay.com/AUTH-BALENCIAGA...0QQihZ011QQcategoryZ63852QQrdZ1QQcmdZViewItem
... the seller's name
http://cgi.ebay.com/AUTH-BALENCIAGA...0QQihZ011QQcategoryZ63852QQrdZ1QQcmdZViewItem
... the seller's name