French Indo-China. (Vietnam). Circa 1965. Illustrated Air Mail envelope 'Builders of Cam Ranh Bay/ 35' headed 'United States Armed Forces -Vietnam' endorsed 'Msg. Maurice Manchester, RA 51 057 932, Hqs. Co 35th Engineers, APO San Francisco, Ca' Sent 'Free' addressed to New Jersey. Nice item from the 35th Engineers at Cam Ranh Bay.