I know the feeling! I have around 20 of them. I usually buy mine at the Coach outlet store that is near my house. Or since my brother used to work at Macy's he would get a great discount on them. I would look online at the Coach official website. If you found the purse on the internet anywhere besides the official webstie I would be kind of leary. There are a lot of scam artist out there!
Happy Purse hunting!!