Ditunjukkan sekarang: Liberia - Setem-setem rasmi (1920 - 1929) - 7 Setem-setem.
1928
Postage Stamps Overprinted "OFFICIAL SERVICE"
WM: Tiada Perforasi: 12
![[Postage Stamps Overprinted "OFFICIAL SERVICE", jenis BP]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BP-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", jenis BQ]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BQ-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", jenis BR]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BR-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", jenis BS]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BS-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", jenis BT]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BT-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", jenis BU]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BU-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", jenis BV]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BV-s.jpg)
| No. | Jenis | D | Warna | Deskripsi |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 189 | BP | 1C | hijau | - | 1.16 | 0.58 | - | USD |
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| 190 | BQ | 2C | violet gelap | - | 2.31 | 0.87 | - | USD |
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| 191 | BR | 3C | coklat | - | 2.31 | 2.31 | - | USD |
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| 192 | BS | 5C | ultramarin | - | 1.16 | 0.58 | - | USD |
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| 193 | BT | 10C | zaitun gelap | - | 3.47 | 1.73 | - | USD |
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| 194 | BU | 15C | violet | - | 2.31 | 1.16 | - | USD |
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| 195 | BV | 1C | coklat | - | 75.17 | 23.13 | - | USD |
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| 189‑195 | - | 87.89 | 30.36 | - | USD |
