Stamps of Republic of the Congo, 4 base month
1 to 50 of 97
postage
1964, Apr 8 "Technical Instruction" issue unwmk (no perf info)
| - | 20fr | multi |
1964, Apr 24 Manual Labour Rehabilitation issue
| - | 80fr | multi |
1966, Apr 9 Negro Arts Festival issue
| X | 30fr | |||||
| X | 85fr | |||||
| - | 90fr |
1966, Apr 15
| - | 70fr | shorter work day |
1967, Apr 21 Gandhi issue
| - | 90fr | multi |
1970, Apr 30 Brazzaville-Pointe-Noire cable
| - | 25fr | multi | ||||
| - | 30fr | multi |
1976, Apr 25 100th Anniversary of the Telephone issue
| - | 35fr | multi | Alexander Graham Bell | |||
| - | 60fr | multi | Airmail |
1978, Apr 4 World Cup 1978 issue (6 stamps)
| - | 60fr | multi | Ferenc Puskas | .20 | ||
| - | 75fr | multi | Giacinto Facchetti | |||
| - | 100fr | multi | Bobby Moore | |||
| - | 200fr | multi | Raymond Kopa | |||
| - | 300fr | multi | Pele | |||
| - | 500fr | multi | — | — |
1978, Apr 29 Nobel Prize Winners (1978 Republic of the Congo) (6 stamps)
| - | 60fr | multi | Pearl S. Buck | |||
| - | 75fr | multi | Fridtjof Nansen | |||
| - | 100fr | multi | Henri Bergson | |||
| - | 200fr | multi | Alexander Fleming | |||
| - | 300fr | multi | Gerhart Hauptmann | |||
| - | 500fr | multi | J. H. Dunant | — | — |
1979, Apr 30 International Year of the Child issue
| - | 45fr | multi | ||||
| - | 75fr | multi | ||||
| - | 250fr | multi | — | — |
1982, Apr 13 75th Anniversary of Boy Scout Movement issue (5 stamps)
| - | 100fr | multi | ||||
| - | 150fr | multi | ||||
| - | 200fr | multi | ||||
| - | 300fr | multi | ||||
| - | 500fr | multi | — | — |
1983, Apr 20 Easter 1983 issue
| - | 200fr | multi | ||||
| - | 300fr | multi | ||||
| - | 400fr | multi |
1985, Apr 30 Burial of Teke Chief issue
| - | 225fr | multi |
1986, Apr 30 Children's Hoop Races
| - | 5fr | multi | .20 | .20 | ||
| - | 10fr | multi | .20 | .20 | ||
| - | 60fr | multi |
1988, Apr 6 African Anti-Apartheid Writers
| - | 60fr | multi | .20 | |||
| - | 75fr | multi |
1988, Apr 28 150th Anniversary of Morse Telegraph issue
| - | 90fr | multi | Samuel Morse | |||
| - | 120fr | multi | Samuel Morse |
1988, Apr 30 10th Anniversary of International Agricultural Development Fund issue
| - | 240fr | multi |
1989, Apr 21 10th Anniversary of 5 February Movement issue
| - | 75fr | multi | Rally | |||
| - | 120fr | multi | President Denis Sassou Nguesso |
1991, Apr 10 Trains (1991) (5 stamps)
| - | 60fr | multi | .20 | |||
| - | 75fr | multi | ||||
| - | 120fr | multi | ||||
| - | 200fr | multi | ||||
| - | 250fr | multi |
1 to 50 of 97