Remember those who were killed, those who survived and those changed forever with this limited-edition challenge coin for the 30th Anniversary of the April 19th,1995 Oklahoma City bombing. The coin features the Oklahoma City National Memorial & Museum's 30th Anniversary logo on one side. The other side of the coin includes an artistic rendering of the Outdoor Symbolic Memorial including the 9:01 Gate, the Reflecting Pool, the Field of Empty Chairs, and the Survivor Tree.