This stunner of a bag was made in 1997, and is a coveted find among vintage Coach collectors. A black version is on sale for as high as $800 on eBay, while this periwinkle version is being sold ...

First, I check the material of the hang tag, which every Coach bag has come with for decades. An authentic bag should have a tag made of the exact leather used on the bag. It should also feel thick.

Included in that list is the popular Coach Tabby bag ... This version of the celeb-worn handbag has a padded, pillow-style exterior that is made from a plush and ultra-soft leather.

It’s the simple bag beloved by royals and the Hollywood elite. Now it’s sweeping school hallways and university lecture ...