It looks real to me, but to be positive I'd need either closer pictures or some more detail. Coach has absolutely made those styles, they are slightly older about 1 year.
Do they say the style number?
Also if you notice on this one:
http://cgi.ebay.com/Coach-Signature-...QQcmdZViewItem
They zipper is on a "pull-tab" thing comming out of the bag. Coach NEVER does this with ANY zippers!!!!! If you ever see a zipper like that it is a sure sign that it is a FAKE!