The 390th Anniversary of the Death of Johannes Kepler, 1571-1630 2020
2020-2023Ora in esposizione: Sierra Leone 2018-Present - Francobolli postali - 2020 - The 390th Anniversary of the Death of Johannes Kepler, 1571-1630 - 4 francobolli.
2020
The 390th Anniversary of the Death of Johannes Kepler, 1571-1630
15. Luglio WM: Nessuno Dentellatura: 13¼
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