One dozen Krispy Kreme original glazed doughnuts
I know, it's not as good as if all the doughnuts are free. But it is still one dozen free. You've got almost a month to use the coupon, but you can only cash it in at a real Krispy Kreme store (no convenience stores or grocery stores will accept it).
The coupon is also limited to the original glazed doughtnuts, but those are the best ones in the store anyway, so who cares! Oh, I know, the other flavors can be a tasty little treat sometimes. But the original... well, they're original, and that's why they're so good! And give their coffee a try if you haven't already. It's mighty tasty!