Sierra Leone 2018-Present
2020-2023Prezentat acum: Sierra Leone 2018-Present - Timbre poştale (2018 - 2023) - 2 timbre.
2023
The 50th Anniversary of the Launch of the Mariner 10
25. Mai WM: Niciunul Perforare: 13¼
2023
The 20th Anniversary Since the End of the Galileo Mission
25. Mai WM: Niciunul Perforare: 13¼