Inscription "Insufficiently prepaid Postage due." 1930
Now showing: Zanzibar - Postage due stamps - 1930 - Inscription "Insufficiently prepaid Postage due." - 6 stamps.






No. | Type | D | Color | Description |
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15 | B | 2C | black | Orange paper | - | 17.87 | 35.75 | - | USD |
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16 | B1 | 3C | black | Rose paper | - | 4.77 | 71.50 | - | USD |
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17 | B2 | 6C | black | Yellow paper | - | 4.77 | 47.66 | - | USD |
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18 | B3 | 12C | black | Blue paper | - | 7.15 | 35.75 | - | USD |
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19 | B4 | 25C | black | Rose paper | - | 14.30 | 95.33 | - | USD |
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19A* | B5 | 25C | black | Violet paper | - | 17.87 | 71.50 | - | USD |
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15‑19 | Set (* Stamp not included in this set) | - | 48.86 | 285 | - | USD |