Unified Vietnam, Stamp Exhibition Vancouver 86 “Airplanes”, September 30th, 1986, Michel Nr. 1720-1726; seven stamps with nominals of 1D (two stamps), 2D, 3D (two stamps) and 5D (two…
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Unified Vietnam, Stamp Exhibition Vancouver 86 “Airplanes”, September 30th, 1986, Michel Nr. 1720-1726; seven stamps with nominals of 1D (two stamps), 2D, 3D (two stamps) and 5D (two…