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Nauru
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Ottoman Empire| 1 |  | 5th Aland Islands Postcrossing Adventure, August 2020 Aland Islands 2020 |
| 2 |  | $1.81 Lasse Holm "My Åland" Aland Islands 2019 |
| 3 |  | 4th Åland Islands Postcrossing Adventure 6-8 June 2019 - fishing-boat (Kökar) Aland Islands 2019 |
| 4 |  | 4th Åland Islands Postcrossing Adventure 6-8 June 2019 - Kastelholm Castle Aland Islands 2019 |
| 5 |  | $1.86 Aurora Borealis Aland Islands 2019 |
| 6 |  | $1.86 Woodpeckers Aland Islands 2019 |
| 7 |  | Christmas Card Aland Islands 2018 |
| 8 |  | Beekeeping Aland Islands 2018 |
| 9 |  | Europa 2018 : Bridges Aland Islands 2018 |
| 10 |  | $1.59 SEPAC Issue : Natural Wonders Aland Islands 2018 |
| 11 |  | Postcrossing Åland Islands 7-9 & 10 June 2017 - islands, houses, fisherman Aland Islands 2017 |
| 12 |  | Stockdoves Aland Islands 2014 |
| 13 |  | Robert Helenius and his family Aland Islands 2014 |
| 14 |  | Alie Lindberg and Grand Piano Aland Islands 2014 |
| 15 |  | Artificial Velvet Scoter Aland Islands 2014 |
| 16 |  | Rockoff Festival Aland Islands 2013 |
| 17 |  | Toyota Auris Hybrid Aland Islands 2013 |
| 18 |  | Kastelholm (Åland Cheese) Aland Islands 2013 |
| 19 |  | Horned Grebe (Podiceps auritus) Aland Islands 2013 |
| 20 |  | Great Crested Grebe (Podiceps cristatus) Aland Islands 2013 |