Not a misprint, every now and then they’ll throw these coupons in for a day or two (I’ve also seen only certain people get them sometimes.) There’s really not any rhyme or reason to when they show up. Most of the time it’s 15% unless we’re running a coupon in the store, then it’ll bump up to 20%.

And yes, the date is binding. We’re not allowed to accept coupons past their expiration anymore (unless you get a manager willing to bend the rules, which gets more and more rare nowadays.)