Now showing: Zanzibar - Postage due stamps (1930 - 1939) - 23 stamps.
1930
Inscription "Insufficiently prepaid Postage due."
WM: None Perforation: 10
![[Inscription "Insufficiently prepaid Postage due.", type A]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/A-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type A1]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/A1-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type A2]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/A2-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type A5]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/A5-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type A8]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/A8-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type A10]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/A10-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type A11]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/A11-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type A14]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/A14-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type A15]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/A15-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type A16]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/A16-s.jpg)
| No. | Type | D | Color | Description |
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| 1 | A | 1C | black | Orange paper | - | 17.40 | 145 | - | USD |
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| 2 | A1 | 2C | black | Orange paper | - | 6.96 | 69.61 | - | USD |
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| 3 | A2 | 3C | black | Orange paper | - | 9.28 | 58.01 | - | USD |
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| 3A* | A3 | 3C | black | Rose paper | - | - | - | - | USD |
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| 4 | A4 | 6C | black | Yellow paper | - | - | 11602 | - | USD |
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| 5 | A5 | 9C | black | Orange paper | - | 4.64 | 29.00 | - | USD |
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| 6 | A6 | 12C | black | Green paper | - | 2320 | 928 | - | USD |
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| 7 | A7 | 15C | black | Orange paper | - | 4.64 | 34.81 | - | USD |
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| 8 | A8 | 18C | black | Salmon paper | - | 6.96 | 58.01 | - | USD |
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| 8A* | A9 | 18C | black | Orange paper | - | 23.20 | 92.82 | - | USD |
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| 9 | A10 | 20C | black | Orange paper | - | 6.96 | 69.61 | - | USD |
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| 10 | A11 | 21C | black | Orange paper | - | 5.80 | 46.41 | - | USD |
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| 11 | A12 | 25C | black | Rose red paper | - | 4060 | 2320 | - | USD |
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| 11A* | A13 | 25C | black | Orange paper | - | 17403 | 17403 | - | USD |
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| 12 | A14 | 31C | black | Orange paper | - | 13.92 | 116 | - | USD |
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| 13 | A15 | 50C | black | Orange paper | - | 34.81 | 232 | - | USD |
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| 14 | A16 | 75C | black | Orange paper | - | 92.82 | 464 | - | USD |
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| 1‑14 | Set (* Stamp not included in this set) | - | 6585 | 16173 | - | USD |
![[Inscription "Insufficiently prepaid Postage due.", type B]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/B-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type B1]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/B1-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type B2]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/B2-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type B3]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/B3-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type B4]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/B4-s.jpg)
![[Inscription "Insufficiently prepaid Postage due.", type B5]](https://www.stampworld.com/media/catalogue/Zanzibar/Postage-due-stamps/B5-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | B | 2C | black | Orange paper | - | 17.40 | 34.81 | - | USD |
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| 16 | B1 | 3C | black | Rose paper | - | 4.64 | 69.61 | - | USD |
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| 17 | B2 | 6C | black | Yellow paper | - | 4.64 | 46.41 | - | USD |
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| 18 | B3 | 12C | black | Blue paper | - | 6.96 | 34.81 | - | USD |
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| 19 | B4 | 25C | black | Rose paper | - | 13.92 | 92.82 | - | USD |
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| 19A* | B5 | 25C | black | Violet paper | - | 17.40 | 69.61 | - | USD |
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| 15‑19 | Set (* Stamp not included in this set) | - | 47.56 | 278 | - | USD |
