VIETNAM (NORTH) - Czechoslovakia. 1958 cover, bearing scarce 150d Soldier issue, 1000d Military parade amd 200d perf 11 1/2 Bai-Thoung issue. All tied by Ha-Noi c.d.s. Rare commercial usage of 150d Soldier stamps. Some Post Office gum adhesive remnant. Michel 25,35,51. (Photo). Est. 200 - 300 CHF.