දැන් පෙන්වන්නේ: ලිබේරියා - නිල මුද්දර (1920 - 1929) - 7 මුද්දර .
1928
Postage Stamps Overprinted "OFFICIAL SERVICE"
WM: කිසිවක් නැත සිදුර: 12
![[Postage Stamps Overprinted "OFFICIAL SERVICE", වර්ගය BP]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BP-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", වර්ගය BQ]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BQ-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", වර්ගය BR]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BR-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", වර්ගය BS]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BS-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", වර්ගය BT]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BT-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", වර්ගය BU]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BU-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", වර්ගය BV]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BV-s.jpg)
| නො. | වර්ගය | ඩී | පාට | විස්තරය |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 189 | BP | 1C | කොළ | - | 1.16 | 0.58 | - | USD |
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| 190 | BQ | 2C | තද ජම්බුල | - | 2.32 | 0.87 | - | USD |
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| 191 | BR | 3C | දුඹුරු | - | 2.32 | 2.32 | - | USD |
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| 192 | BS | 5C | අති නීල පැහැය | - | 1.16 | 0.58 | - | USD |
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| 193 | BT | 10C | තද ඔලිව් පැහැය | - | 3.48 | 1.74 | - | USD |
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| 194 | BU | 15C | ජම්බුල | - | 2.32 | 1.16 | - | USD |
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| 195 | BV | 1C | දුඹුරු | - | 75.30 | 23.17 | - | USD |
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| 189‑195 | - | 88.06 | 30.42 | - | USD |
