Stamps of Kenya, 31 base day
1 to 42 of 42
postage
1981, Aug 31 Endangered Species (1981) unwmk p. 14.5
| - | 50c | multi | Giraffa camelopardalis reticulata | — | — | |
| - | 2sh | multi | Taurotragus euryceros | — | — | |
| - | 5sh | multi | Hippotragus equinus | — | — | |
| - | 10sh | multi | Cercocebus galeritus | — | — |
1983, Oct 31 29th Commonwealth Parliamentary Conference issue p. 14
| - | 70c | multi | conferees | — | — | |
| - | 2.50sh | multi | Parliament Buildings (Nairobi) (1983) | — | — | |
| - | 5sh | multi | Opening Parliament | — | — |
1992, Jan 31 Campaign against AIDS issue p. 13.5
| - | 2sh | multi | .20 | .20 | ||
| - | 6sh | multi | — | — | ||
| - | 8.50sh | multi | — | — | ||
| - | 11sh | multi | — | — |
1996, Jan 31 Tourism 1996 issue (12 stamps)
| - | 6sh | multi | p. 13.75x13.5 | .20 | ||
| - | 14sh | multi | p. 13.75x13.5 | — | — | |
| - | 20sh | multi | p. 13.75x13.5 | — | — | |
| - | 20sh | multi | p. 13x13.5 | — | — | |
| - | 20sh | multi | p. 13x13.5 | — | — | |
| - | 20sh | multi | p. 13x13.5 | — | — | |
| - | 20sh | multi | p. 13x13.5 | — | — | |
| - | 20sh | multi | p. 13x13.5 | — | — | |
| - | 20sh | multi | p. 13x13.5 | — | — | |
| - | 25sh | multi | p. 13.75x13.5 | — | — | |
| - | 40sh | multi | p. 13.75x13.5 | — | — | |
| - | 50sh | multi | p. 13.75x13.5 | — | — |
1996, Oct 31 Lions Club International in Kenya issue
| - | 6sh | multi | — | — | ||
| - | 14sh | multi | — | — | ||
| - | 20sh | multi | — | — | ||
| - | 25sh | multi | — | — |
1997, Jan 31 Lake Victoria Cichlid Fish
| - | 25sh | multi | Haplochromis sp. | — | — | |
| - | 25sh | multi | Haplochromis chilote | — | — | |
| - | 25sh | multi | Haplochromis cinctus | — | — | |
| - | 25sh | multi | Haplochromis nigricans | — | — |
2000, May 31 East African Post Emblems p. 14x13.5
| - | 17sh | multi | — | — | ||
| - | 35sh | multi | — | — | ||
| - | 50sh | multi | — | — | ||
| - | 70sh | multi | — | — |
2017, May 31 Completion of Mombasa-Nairobi Standard Gauge Railway issue (no perf info) (6 stamps)
| - | 35sh | multi | — | — | ||
| - | 50sh | multi | — | — | ||
| - | 110sh | multi | — | — | ||
| - | 130Sh | multi | — | — | ||
| - | 150Sh | multi | — | — | ||
| - | 200sh | multi | — | — |
2020, Jan 31 (no wmk info)
| - | 30sh | multi | Posta House Headquarters | — | — |
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