Chloe Tracy Bag
Jessica Simpson with red Tracy bag
Mischa Barton with a black Tracy bag

A similar was found here:

This color looks very similar to the one Jessica carried.
Jessica Simpson with red Tracy bag
Mischa Barton with a black Tracy bag

A similar was found here:

This color looks very similar to the one Jessica carried.
A Chloe Metallic Paddington bag in mouse leather and silver hardware costs 924 pounds from Net-a-Porter.
Here is a replica. The leather is grainy and the padlock is shiny. The authentic paddington has the vintage non-grainy leather and matt finish padlock.
Authentic Bay has the distressed leather.

Replica has the less distressed leather.

The authentic one costs £813 here