| Name | Issues/Designs | |||
| Aland Sea Rescue Society founding | 1965 | — | - 50th Anniversary of ... | |
| Christianity founding | 2000 | — | - 2000th Anniversary of ... | |
| Fortress of Bomarsund opening | 1854 | — | - ... 150th | |
| Farjsund Bridge opening | 1937 | — | - Farjsund Bridge 50th | |
| Karl Emanual Jansson birth | 1846 | — | - 150th Anniversary of the Birth of ... | |
| Joel Pettersson birth | 1892 | — | - 100th Anniversary of the Birth of ... | |
| Onningeby artist colony founding | 1886 | — | - Centenary of ... | |
| Universal Postal Union founding | 1874 | — | syns. UPU founding, U.P.U. founding |