Muri Bhalissa: Botswana - Bolol tal-posta (1990 - 1999) - 17 bolol.
28. March WM: Xejn Perforazzjoni: 14½
30. July WM: Xejn Perforazzjoni: 14½
1. August WM: Xejn
26. September WM: Xejn Perforazzjoni: 14 x 14¼
24. October WM: Xejn Perforazzjoni: 14 x 14¼
| Le. | Tip | D | Kulur | Deskrizzjoni |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 574 | VC | 10T | multi kkulurita | Ziziphus mucronata | 0.29 | - | 0.29 | - | USD |
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| 575 | VD | 25T | multi kkulurita | Strychnos cocculoides | 0.59 | - | 0.59 | - | USD |
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| 576 | VE | 40T | multi kkulurita | Bauhinia petersiana | 0.59 | - | 0.59 | - | USD |
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| 577 | VF | 50T | multi kkulurita | Schinziphyton rautoneii | 0.88 | - | 0.88 | - | USD |
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| 574‑577 | 2.35 | - | 2.35 | - | USD |
