Here is  a 3 oz container of Fancy Feast from Petco, a free sample that is yes a coupon. You have to print it, just a forewarning.

This comes from something called a Pals coupon. Choose from:
FREE 3 oz. can of Fancy Feast Gourmet Cat Food
or
Fancy Feast Elegant Medleys Cat Food

Cats need food. Go get some. It’s free. It’s a sample.

http://www.petco.com/petco_page_PC_julyfancyfeastcoupon.aspx