H&M- 20% Off One Item Coupon (exp 9/3/12) This post may contain affiliate links or sponsored content. Disclosure Policy August 30, 2012 by Mary Hoover 2 Comments0sharesShareTweetPinYummlyHitting the mall this weekend? Here is a great coupon from H&M for 20% off One Item (must print coupon, exp. 9/3). I’m actually surprised at how affordable some of their trendy pieces can be.