Now showing: Rio de Oro - Postage stamps (1905 - 1921) - 13 stamps.
1919
King Alfonso XIII - Blue Control Number on Back Side
WM: None Perforation: 13
![[King Alfonso XIII - Blue Control Number on Back Side, type R]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R1]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R1-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R2]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R2-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R3]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R3-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R4]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R4-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R5]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R5-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R6]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R6-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R7]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R7-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R8]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R8-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R9]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R9-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R10]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R10-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R11]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R11-s.jpg)
![[King Alfonso XIII - Blue Control Number on Back Side, type R12]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/R12-s.jpg)
| No. | Type | D | Color | Description |
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| 108 | R | 1C | brown | 0.79 | - | 0.79 | - | USD |
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| 109 | R1 | 2C | purple red | 0.79 | - | 0.79 | - | USD |
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| 110 | R2 | 5C | light green | 0.79 | - | 0.79 | - | USD |
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| 111 | R3 | 10C | carmine | 0.79 | - | 0.79 | - | USD |
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| 112 | R4 | 15C | orange | 0.79 | - | 0.79 | - | USD |
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| 113 | R5 | 20C | orange | 0.79 | - | 0.79 | - | USD |
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| 114 | R6 | 25C | blue | 0.79 | - | 0.79 | - | USD |
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| 115 | R7 | 30C | green | 0.79 | - | 0.79 | - | USD |
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| 116 | R8 | 40C | brick-red | 0.79 | - | 0.79 | - | USD |
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| 117 | R9 | 50C | brown | 0.79 | - | 0.79 | - | USD |
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| 118 | R10 | 1Pta | purple | 6.29 | - | 10.49 | - | USD |
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| 119 | R11 | 4Pta | rose | 10.49 | - | 12.59 | - | USD |
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| 120 | R12 | 10Pta | violet | 15.74 | - | 20.98 | - | USD |
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| 108‑120 | 40.42 | - | 51.96 | - | USD |
