China Service Medal. Awarded to USN, USMC, and USCG personnel for service during operations in China or Chinese territorial waters between 7 July 1937 - 7 September 1939 and 2 September 1945 – 1 April 1947. Clean ribbon on a mount indicating this is one of the later issue medals. This is the USMC version and so marked on the back. Condition I-