Stamps of Vietnam - South Vietnam, 23 base day
1 to 12 of 12
postage
1964, Mar 23 World Meteorological Day 1964 issue unwmk (no perf info)
| X | 50c | och | .20 | .20 | ||
| - | 1pi | orgred | .20 | |||
| X | 1.50pi | dkcar | .20 | |||
| - | 10pi | grn | — | — |
1969, Mar 23 women (1969)
| X | 50c | multi | farm woman | .20 | ||
| X | 1pi | multi | .20 | |||
| X | 3pi | multi | .20 | |||
| X | 20pi | ultra | — | — |
1973, Mar 23 World Meteorological Day 1973 issue
| - | 1pi | multi | — | — |
1975, Feb 23 national theater (1975)
| - | 25pi | multi | — | — | ||
| - | 40pi | multi | — | — | ||
| - | 100pi | multi | — | — |
1 to 12 of 12