Now showing: Rio de Oro - Postage stamps (1905 - 1921) - 13 stamps.
1914
King Alfonso XIII - Blue Control Number on Back Side
WM: None Perforation: 13
![[King Alfonso XIII - Blue Control Number on Back Side, type P]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P1]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P1-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P2]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P2-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P3]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P3-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P4]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P4-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P5]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P5-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P6]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P6-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P7]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P7-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P8]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P8-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P9]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P9-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P10]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P10-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P11]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P11-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type P12]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/P12-s.jpg)
| No. | Type | D | Color | Description |
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| 82 | P | 1C | brownish black | 0.26 | - | 0.26 | - | USD |
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| 83 | P1 | 2C | purple red | 0.26 | - | 0.26 | - | USD |
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| 84 | P2 | 5C | green | 0.26 | - | 0.26 | - | USD |
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| 85 | P3 | 10C | brick-red | 0.26 | - | 0.26 | - | USD |
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| 86 | P4 | 15C | orange red | 0.26 | - | 0.26 | - | USD |
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| 87 | P5 | 20C | purple red | 0.26 | - | 0.26 | - | USD |
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| 88 | P6 | 25C | blue | 0.26 | - | 0.26 | - | USD |
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| 89 | P7 | 30C | greenish black | 0.26 | - | 0.26 | - | USD |
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| 90 | P8 | 40C | brownish orange | 0.26 | - | 0.26 | - | USD |
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| 91 | P9 | 50C | brown | 0.26 | - | 0.26 | - | USD |
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| 92 | P10 | 1Pta | purple | 2.62 | - | 3.14 | - | USD |
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| 93 | P11 | 4Pta | rose | 6.28 | - | 6.28 | - | USD |
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| 94 | P12 | 10Pta | dark violet | 8.38 | - | 8.38 | - | USD |
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| 82‑94 | 19.88 | - | 20.40 | - | USD |
