Τώρα εμφανίζεται Λιβερία - Επίσημα γραμματόσημα (1920 - 1929) - 7 Γραμματόσημα.
1928
Postage Stamps Overprinted "OFFICIAL SERVICE"
WM: Κανένα Διάτρηση: 12
![[Postage Stamps Overprinted "OFFICIAL SERVICE", τύπος BP]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BP-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", τύπος BQ]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BQ-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", τύπος BR]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BR-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", τύπος BS]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BS-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", τύπος BT]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BT-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", τύπος BU]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BU-s.jpg)
![[Postage Stamps Overprinted "OFFICIAL SERVICE", τύπος BV]](https://www.stampworld.com/media/catalogue/Liberia/Official-stamps/BV-s.jpg)
| Νούμερο | Τύπος | D | Χρώμα | Περιγραφή |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 189 | BP | 1C | ΠΡΑΣΙΝΟ | - | 1,05 | 0,52 | - | USD |
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| 190 | BQ | 2C | ΣΚΟΥΡΟ ΒΙΟΛΕΤΙ | - | 2,10 | 0,79 | - | USD |
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| 191 | BR | 3C | ΚΑΦΕ | - | 2,10 | 2,10 | - | USD |
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| 192 | BS | 5C | ΚΥΑΝΟ | - | 1,05 | 0,52 | - | USD |
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| 193 | BT | 10C | ΣΚΟΥΡΟ ΛΑΔΙ | - | 3,15 | 1,57 | - | USD |
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| 194 | BU | 15C | ΒΙΟΛΕΤΙ | - | 2,10 | 1,05 | - | USD |
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| 195 | BV | 1C | ΚΑΦΕ | - | 68,19 | 20,98 | - | USD |
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| 189‑195 | - | 79,74 | 27,53 | - | USD |
