The reverse of the Oklahoma quarter features an image of the State bird the Scissortail Flycatcher in flight with its distinctive tail feathers spread. The bird is soaring over the State wildflower the Indian Blanket backed by a field of similar wildflowers. Launched in 1999 the United States Mint s 50 State Quarters Program was a 10-year initiative that honored each of the nation s states in the order that they ratified the Constitution or were admitted into the Union. Each quarter was produced for about 10 weeks and will never be produced again. State designs are displayed on the reverse (tails) of the quarters while the obverse design displays the familiar image of George Washington. But to accommodate state designs on the reverse the words United States of America Quarter Dollar Liberty and In God We Trust all appear on the obverse.