This post is all about deciphering the  serial numbers on Coach bags. Here you'll find step-by-step instructions on how to understand a Coach Creed. I've also included some example photos along with references to guides to help with determining authenticity of a Coach bag.  I recommend you start by perusing this article by Vintage Coach Bags:   http://vintagecoachbags.com/index.php/authenticity-guide/ If you don't have time to read the article all the way through, I've provided some quick highlights below.    Coach Bags Made After 1994 Here's what your post-1994 bag's serial number may contain. Let's use  F5D-9966 as an example referenced on  VintageCoachBags.com :  The first digit, a letter, is the code for the month when the bag was made. The next digit (which later became two digits) is the year it was made. The final digit is the code for the plant where the bag was made. Dash, plus The style number Other Markings A "