This US - 5 peace ribbon bar is probably not an original ww2 item.. (Probably repro?)
It something I got for free at an early age, and I found it in a random box of stuff I was cleaning.. Anyway...
Top left: U.S. Marine Corps Good Conduct Military Ribbon
Top middle: Prisoner of War Medal Ribbon
Top right: Purple Heart Medal Ribbon
Bottom left: Bronze Star Medal Ribbon
Bottom right: Silver Star Medal Ribbon
Two of them are marked "G 27"