You will be receiving a complete set of The Walking Dead Season 4 Part 1 Cryptomium Terminus Puzzle cards. 
 

These are also known as Chromium cards as they are have a chrome like finish. 

There are 9 cards in the set and are numbered Z1-Z9. 

I've scanned the back of one of the cards in the second photo.  Each of the card backs are the same, except for the card number.

Shipping is free for USA only