Stamps of Rio Muni, 23 base day
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postage
1962, Nov 23 stamp day 1962 issue (no wmk info) (no perf info)
| X | 15c | dkolgrn | Cape buffalo | — | — | |
| X | 35c | mag | gorilla | — | — | |
| X | 1p | brnorg | Cape buffalo | — | — |
1964, Nov 23 stamp day 1964 issue
| X | 50c | tree frog | — | — | ||
| X | 1p | — | — | |||
| X | 1.50p | — | — |
1965, Nov 23 stamp day 1965 issue
| X | 50c | slgrn | pheasant | — | — | |
| X | 1p | sep | leopard & arms of Rio Muni | — | — | |
| X | 2.50p | vio | pheasant | — | — |
1966, Nov 23 stamp day 1966 issue
| X | 10c | brn | water chevrotain | — | — | |
| - | 40c | — | — | |||
| - | 1.50p | — | — | |||
| - | 4p | — | — |
1967, Nov 23 stamp day 1967 issue
| X | 1p | river hog | — | — | ||
| X | 1.50p | Perodicticus potto | — | — | ||
| X | 3.50p | African golden cat | — | — |
semipostal
1960, Nov 23 Stamp Day 1960 issue
| X | 10c+5c | Juan de Ribera | — | — | ||
| X | 20c+5c | — | — | |||
| X | 30+10c | — | — | |||
| X | 50c+20c | Juan de Ribera | — | — |
1961, Nov 23 Stamp Day 1961 issue
| X | 10c+5c | statuette | — | — | ||
| X | 25c+10c | — | — | |||
| X | 30+10c | — | — | |||
| X | 1p+10c | — | — |
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