Menampilkan: Sudan - Prangko (1897 - 2023) - 22 prangko.
22. Januari WM: Tiada Perforasi: 13½ x 13
20. Februari WM: Tiada Perforasi: 14
25. Maret WM: Tiada Perforasi: 13½ x 13
| No. | Tipe | D | Warna | Deskripsi |
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| 422 | FS | 25Pia | warna-warni | Tockus fasciatus | 0,29 | - | 0,29 | - | USD |
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| 423 | FT | 50Pia | warna-warni | Leptoptilos crumeniferus | 1,18 | - | 0,59 | - | USD |
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| 424 | FU | 75Pia | warna-warni | Lophotis ruficrista | 1,77 | - | 0,88 | - | USD |
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| 425 | FV | 100Pia | warna-warni | Ephippiorhynchus senegalenssi | 2,36 | - | 0,88 | - | USD |
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| 426 | FW | 150Pia | warna-warni | Geronticus eremita (Perf: 14) | 2,94 | - | 1,18 | - | USD |
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| 422‑426 | 8,54 | - | 3,82 | - | USD |
10. Mei WM: Tiada Perforasi: 13 x 13¼
1. September WM: Tiada Perforasi: 14 x 14¼
16. Desember WM: Tiada Perforasi: 13½ x 13¾
