מוצג עכשיו גיאנה הבריטית - בולי דואר (1870 - 1879) - 11 בולים.
1878
No.29 and 35 Overprinted
WM: אף לא אחד נקוב: 14
![[No.29 and 35 Overprinted, סוג J]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/J-s.jpg)
![[No.29 and 35 Overprinted, סוג K]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/K-s.jpg)
![[No.29 and 35 Overprinted, סוג J1]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/J1-s.jpg)
1878
Official Stamps Overprinted
WM: אף לא אחד
![[Official Stamps Overprinted, סוג L2]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/L2-s.jpg)
![[Official Stamps Overprinted, סוג L6]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/L6-s.jpg)
| מס. | סוג | D | צבע | תיאור |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 43 | L | 1/1C | שחור | Overprint: Vertical line through "OFFICIAL" | - | 289 | 115 | - | USD |
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| 44 | L1 | 1/1C | אפור | Overprint: Vertical line through "OFFICIAL" | - | 202 | 92.72 | - | USD |
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| 45 | L2 | 1/4C | כחול | Overprint: Inverted "T" | - | 23180 | 3477 | - | USD |
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| 45A* | L3 | 1/4C | כחול | Overprint: Inverted "T" & line below | - | 347 | 173 | - | USD |
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| 46 | L4 | 1/6C | חום | Overprint: Inverted "T" & line below | - | 463 | 173 | - | USD |
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| 47 | L5 | 2/8C | ורוד | Overprint: Inverted "T" & line below | - | 1738 | 463 | - | USD |
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| 48 | L6 | 2/2C | כתום | Overprint: Vertical line through "OFFICIAL" | - | 463 | 115 | - | USD |
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| 49 | L7 | 2/8C | ורוד | Overprint: Inverted "T" | - | 463 | 173 | - | USD |
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| 43‑49 | סט (* הבול לא כלול בערכה זו) | - | 26801 | 4612 | - | USD |
