Vietnam 1973 Peace Force Military Air Letter written from the Canadian Commander of the Peace Keeping Force Da-Nang South Vietnam bearing Cong-Hoa Military stamp mixed with SGS430, 10p blue & olive tied by Da-Nang datestamp with "Forces Air Letter pour Militaires" cachet. (pt) Vietnam 1973 Air letter / Military Propaganda Airmail Airletter written from the Canadian Commander of the Peace Keeping Force Quan-Buu South Vietnam bearing Vietnam Propaganda Military stamp tied by Quan-Bunn datestamp with Boxed "Canadian Forces Vietnam Peace Keeping Force" cachet. (pt) Vietnam 1973 Airletter / Military Propaganda Air Letter written from the Canadian Commander of the Peace Keeping Force Quan-Buu South Vietnam bearing Vietnam Propaganda Military stamp tied by Quan-Bunn datestamp with Boxed "Canadian Forces Vietnam Peace Keeping Force" cachet. (map) (pt) Vietnam (North) 1960 Airmail envelope to France bearing SG106, SG119, SG147, SG150, SG153 and SG154, tied by Hanoi Vietnam datestamp. (pt)