Now showing: Rio de Oro - Postage stamps (1920 - 1921) - 13 stamps.
1921
King Alfonso XIII - Blue Control on Back side
WM: None Perforation: 13
![[King Alfonso XIII - Blue Control on Back side, type T]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T1]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T1-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T2]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T2-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T3]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T3-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T4]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T4-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T5]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T5-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T6]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T6-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T7]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T7-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T8]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T8-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T9]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T9-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T10]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T10-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T11]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T11-s.jpg)
![[King Alfonso XIII - Blue Control on Back side, type T12]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/T12-s.jpg)
| No. | Type | D | Color | Description |
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| 134 | T | 1C | yellow | 0.88 | - | 1.17 | - | USD |
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| 135 | T1 | 2C | reddish brown | 0.88 | - | 1.17 | - | USD |
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| 136 | T2 | 5C | bluish green | 0.88 | - | 1.17 | - | USD |
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| 137 | T3 | 10C | salmon | 0.88 | - | 1.17 | - | USD |
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| 138 | T4 | 15C | dark green | 0.88 | - | 1.17 | - | USD |
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| 139 | T5 | 20C | light blue | 0.88 | - | 1.17 | - | USD |
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| 140 | T6 | 25C | ultramarine | 0.88 | - | 1.17 | - | USD |
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| 141 | T7 | 30C | rose | 1.17 | - | 2.35 | - | USD |
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| 142 | T8 | 40C | bluish violet | 1.17 | - | 2.35 | - | USD |
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| 143 | T9 | 50C | orange | 1.17 | - | 2.35 | - | USD |
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| 144 | T10 | 1Pta | purple violet | 4.70 | - | 11.74 | - | USD |
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| 145 | T11 | 4Pta | reddish purple | 9.39 | - | 14.09 | - | USD |
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| 146 | T12 | 10Pta | brown | 14.09 | - | 29.35 | - | USD |
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| 134‑146 | 37.85 | - | 70.42 | - | USD |
