tips on how 2 authenticate a b bag

We don't have a thread with tips. You can feel free to post pics in the "authenticate this Fendi" thread or browse through there as there are many tips posted in that thread.
 
click on "go advanced" and then there is a place to attach pictures--they must be below a certain size, though. If you can't resize them, you can always upload them to a service like photobucket.com for free and then post a link to them in the "authenticate this" thread and we will take a look.

The easiest thing to look for is, does the hologram peel off? Or is it stuck on the tag really securely?