Stamps of Vietnam - South Vietnam, 4 base month
1 to 35 of 35
postage
1960, Apr 7 World Refugee Year issue unwmk (no perf info)
| - | 50c | .20 | ||||
| X | 3pi | brtgrn | .20 | |||
| - | 4pi | red | — | — | ||
| X | 5pi | viobl | — | — |
1961, Apr 29 Ngo Dinh Diem 2nd presidency issue
| - | 50c | ultra | — | — | ||
| X | 1pi | red | — | — | ||
| - | 2pi | — | — | |||
| - | 4pi | vio | — | — |
1962, Apr 7 malaria eradication issue
| - | 50c | rosepur | .20 | |||
| X | 1pi | org | .20 | |||
| X | 2pi | grn | .20 | |||
| X | 6pi | ultra | — | — |
1965, Apr 11
| X | 3pi | Hung Vuong culture | — | — | ||
| X | 100pi | Hung Vuong culture | — | — |
1966, Apr 24 Saigon microwave station
| X | 3pi | tower | .20 | |||
| - | 4pi | tower&dial | .20 |
1968, Apr 7 WHO 20th issue
| - | 10pi | multi | — | — |
1972, Apr 18 Air Viet Nam 20th issue (8 stamps)
| - | 10pi | multi | plane over Dalat | — | — | |
| - | 10pi | multi | — | — | ||
| - | 10pi | multi | — | — | ||
| - | 10pi | multi | — | — | ||
| - | 25pi | multi | plane over Dalat | — | — | |
| - | 25pi | multi | — | — | ||
| - | 25pi | multi | — | — | ||
| X | 25pi | multi | plane over Saigon | — | — |
1973, Apr 8 INTERPOL 50th issue
| X | 1pi | multi | .20 | |||
| X | 2pi | multi | .20 | |||
| X | 25pi | multi | .20 |
1974, Apr 2 Hung Vuong issue
| - | 20pi | multi | Hung Vuong | — | — | |
| - | 100pi | multi | flag | — | — |
1974, Apr 14 New National Library Building issue
| - | 10pi | multi | National Library of Vietnam | — | — | |
| - | 15pi | multi | Library right facade & Phoenix | — | — |
1975, Apr ovpted
| - | 10pi on 8pi | multi | 25&emblem | — | — |
1975, Apr ovpted
| - | 10pi on 8pi | multi | — | — |
1975, Apr ovpted
| X | 25pi on 8pi | multi | soldiers&flags | — | — |
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