US ARMY 4th INFANTRY DIVISION Challenge Coin w/ Presentation Box. This is a great looking US ARMY 4th INFANTRY DIVISION "Steadfast and Loyal" commemorative coin. Coin has reeded edges and is about 1 9/16" in diameter. All details are raised lettering. Coin is contained in an acrylic air tight holder and displayed in an attractive black velvet presentation box which will make this a very impressive gift. The 4th Infantry Division is a modular division of the United States Army based at Fort Carson, Colorado. It is composed of four organic Infantry and Armored Brigade Combat Teams. The 4th Infantry Division's official nickname, "Ivy", is a play on words of the Roman numeral IV or 4. Ivy leaves symbolize tenacity and fidelity which is the basis of the division's motto: "Steadfast and Loyal". The second nickname, "Iron Horse", has been adopted to underscore the speed and power of the division and its soldiers.