The 5th Anniversary of the Death of Stephen Hawking, 1942-2018 2023
2020-2023现在展示： Sierra Leone 2018-Present - （通用）邮票 - 2023 - The 5th Anniversary of the Death of Stephen Hawking, 1942-2018 - 1 邮票.
现在展示： Sierra Leone 2018-Present - （通用）邮票 - 2023 - The 5th Anniversary of the Death of Stephen Hawking, 1942-2018 - 1 邮票.
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