This U.S. Army Corps of Engineers Commanding General Challenge Coin is a must-have for any militaria collector. With a diameter of 2 inches, this original coin is a rare find and highly sought after by enthusiasts. The coin features the iconic insignia of the Corps of Engineers and is sure to be a proud addition to any collection. The coin is in excellent shape and has been well-preserved over the years. It comes in its original box, making it a great display piece as well. This challenge coin is the perfect addition to any collection and is sure to impress any collector or historian. Don't miss out on the opportunity to own a piece of military history.