This is a fine First World War U.S. Marine Corps Good Conduct Medal is very good condition. The bronze planchet is extremely well struck and exhibits sharp detail. The reverse is beautiful.  The planchet is suspended from the original ribbon, which is strong and with vibrant color. The medal is mounted on a pin back broach that is with functional pin and roller locking assembly. The front of the broach bears the title, ‘U.S. Marine Corps’ surrounded by a rope border.