Praegu kuvatakse: Briti Guajaana - postmargid (1870 - 1879) - 11 margid.
1878
No.29 and 35 Overprinted
WM: mitte ükski perforatsioon: 14
![[No.29 and 35 Overprinted, Tüüp J]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/J-s.jpg)
![[No.29 and 35 Overprinted, Tüüp K]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/K-s.jpg)
![[No.29 and 35 Overprinted, Tüüp J1]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/J1-s.jpg)
1878
Official Stamps Overprinted
WM: mitte ükski
![[Official Stamps Overprinted, Tüüp L2]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/L2-s.jpg)
![[Official Stamps Overprinted, Tüüp L6]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/L6-s.jpg)
| Nr | Tüüp | D | Värv | Kirjeldus |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 43 | L | 1/1C | must | Overprint: Vertical line through "OFFICIAL" | - | 294 | 117 | - | USD |
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| 44 | L1 | 1/1C | hall | Overprint: Vertical line through "OFFICIAL" | - | 206 | 94,18 | - | USD |
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| 45 | L2 | 1/4C | sinine | Overprint: Inverted "T" | - | 23546 | 3531 | - | USD |
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| 45A* | L3 | 1/4C | sinine | Overprint: Inverted "T" & line below | - | 353 | 176 | - | USD |
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| 46 | L4 | 1/6C | pruun | Overprint: Inverted "T" & line below | - | 470 | 176 | - | USD |
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| 47 | L5 | 2/8C | roosa | Overprint: Inverted "T" & line below | - | 1765 | 470 | - | USD |
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| 48 | L6 | 2/2C | oranž | Overprint: Vertical line through "OFFICIAL" | - | 470 | 117 | - | USD |
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| 49 | L7 | 2/8C | roosa | Overprint: Inverted "T" | - | 470 | 176 | - | USD |
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| 43‑49 | sett (* Stamp not included in this set) | - | 27225 | 4685 | - | USD |
