Stamps of Vietnam - South Vietnam, 17 base day
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postage
1963, Nov 17 unwmk (no perf info)
| - | 50c | ind & red | .20 | |||
| - | 1pi | red | .20 | |||
| - | 3pi | org & red | .20 | |||
| X | 6pi | orgbrn & red | — | — |
1965, May 17 ITU 100th issue
| - | 1pi | multi | ITU emblem & mast antenna | .20 | ||
| X | 3pi | multi | ITU emblem & mast antenna | — | — |
1973, May 17 World Telecommunications Day 1973 issue
| X | 1pi | multi | emblem&waves | .20 | ||
| X | 2pi | multi | .20 | |||
| X | 3pi | multi | .20 |
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