If you are lucky enough to live near an Einstein Bros. Bagels you won’t want to miss out on this hot coupon. In honor of leap year, Einstein Bros. has a hot coupon for buy one lunch sandwich, get one free! This offer is available on the Einstein Bros. Bagels’ Facebook page wall. Simply click on the offer and then the ‘get offer’ button. The coupon will be directly emailed to you within minutes! The coupon is good through March 4th. Enjoy!