jchiara is right. That's Our Bag is a big, legit store in Chicago which has been in business for many years (I even bought a piece of luggage there once.) They are also an authorized Tano dealer.
Nevermind that I have MAJOR beef with them because they were copying my photos and text onto their website (without my permission, obviously.) They even had the nerve to deny it when I confronted them. I had to "prove" myself by pointing out a spelling error in my text that was on their site as well, and that their Tano pictures had my .jpg names! Ultimately they did remove most-not all- of my pics from their site, but they were rude and arrogant about it, and nver even apologized. They probably do over a million dollars in sales a year in that store...they can affford to hire someone to take pics instead of copy them from a mom like me who is trying to raise three little children while running a busy business single handedly!
Secondly, I have never seen fake Tano bags. Copies of Tano's styles? Yes. Fake Tanos? No. We have been selling Minilisa for a few seasons now and I can't say that I've noticed the hardware changing, but it certainly is possible. Tano will sometimes change the hardware for one reason or another. As for the lining, all of our Tano crunch leather bags in brusciato brown have a purple lining. So in short, I would not be concerned if I were you.