US MARINE CORPS - 25th MARINE REGIMENT Challenge Coin. This is a great looking 25th Marine Regiment commemorative challenge coin. Coin is about 1 9/16" in diameter and gold plated. This coin has a 25th Marine Regiment insignia on front in raised lettering and the Marine Corps logo on the reverse. Coin is contained in an acrylic air tight holder. The 25th Marine Regiment (25th Marines) is one of three infantry regiments in the 4th Marine Division of the United States Marine Corps. From its headquarters in Fort Devons, Massachusetts, the regiment commands fifteen training centers in nine states throughout the Northeast. These units consist of approximately 3,500 reserve and active duty Marines and are located from Maine to Delaware, West Virginia and as far west as Ohio. The 25h Marines is primarily a cold weather regiment and frequently trains in northern Norway. Active 1943 ? 45; 1962 ? present