Τώρα εμφανίζεται Βρετανική Γουιάνα - Γραμματόσημα (1870 - 1879) - 11 Γραμματόσημα.
1878
No.29 and 35 Overprinted
WM: Κανένα Διάτρηση: 14
![[No.29 and 35 Overprinted, τύπος J]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/J-s.jpg)
![[No.29 and 35 Overprinted, τύπος K]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/K-s.jpg)
![[No.29 and 35 Overprinted, τύπος J1]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/J1-s.jpg)
1878
Official Stamps Overprinted
WM: Κανένα
![[Official Stamps Overprinted, τύπος L2]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/L2-s.jpg)
![[Official Stamps Overprinted, τύπος L6]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/L6-s.jpg)
| Νούμερο | Τύπος | D | Χρώμα | Περιγραφή |
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| 43 | L | 1/1C | ΜΑΥΡΟ | Overprint: Vertical line through "OFFICIAL" | - | 279 | 111 | - | USD |
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| 44 | L1 | 1/1C | ΓΚΡΙ | Overprint: Vertical line through "OFFICIAL" | - | 195 | 89,31 | - | USD |
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| 45 | L2 | 1/4C | ΜΠΛΕ | Overprint: Inverted "T" | - | 22 328 | 3 349 | - | USD |
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| 45A* | L3 | 1/4C | ΜΠΛΕ | Overprint: Inverted "T" & line below | - | 334 | 167 | - | USD |
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| 46 | L4 | 1/6C | ΚΑΦΕ | Overprint: Inverted "T" & line below | - | 446 | 167 | - | USD |
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| 47 | L5 | 2/8C | ΤΡΙΑΝΤΑΦΥΛΛΙ | Overprint: Inverted "T" & line below | - | 1 674 | 446 | - | USD |
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| 48 | L6 | 2/2C | ΠΟΡΤΟΚΑΛΙ | Overprint: Vertical line through "OFFICIAL" | - | 446 | 111 | - | USD |
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| 49 | L7 | 2/8C | ΤΡΙΑΝΤΑΦΥΛΛΙ | Overprint: Inverted "T" | - | 446 | 167 | - | USD |
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| 43‑49 | Τοποθετώ/Ορίζω (* Stamp not included in this set) | - | 25 816 | 4 443 | - | USD |
