Coop is right its one of the MANY doubled eisenhowers. There is so many that they are very hard to attribute, that being said there on several die varieties known
DDR DDO and what not.. The eisenhower series is a very complicated bunch of coins... Like any large coin the devices are larger and easier to see the slightest variance in the devices.. I enjoy them they are plentiful and a very good series for training the eye and gaining needed experience..