Dunkin Donuts is running a promotion from now until the end of the year with prizes on all large and extra large coffees. It seems like a majority are going to be 20% off at fanatics.com (which also has free shipping on orders over $50 and is also a partner of Shoprunner which is free for all amex card holders).
Since I get a large coffee every morning I'm sure I'm going to accumulate a lot of these coupons so I figured I'd post them here so they don't go to waste. They expire on 3/31/15. They're one time use codes so if you use one let us know.