Here Army Surplus World we carry a variety of challenge coins. The Operation Iraqi Freedom challenge coin Struck in a brass alloy, this coin is accented with bold enamel highlights on both sides. Each coin comes packaged with a detailed header card that describes the heroic efforts of all those who have served in Operation Iraqi Freedom. It measures 1 3/4 inch (44mm) Round. Order the Operation Iraqi Freedom challenge coin from Army Surplus World Today.