Now showing: Rio de Oro - Postage stamps (1905 - 1921) - 13 stamps.
1909
King Alfonso XIII - Control Number on Back Side
WM: None Perforation: 14
![[King Alfonso XIII - Control Number on Back Side, type I]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I1]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I1-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I2]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I2-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I3]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I3-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I4]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I4-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I5]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I5-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I6]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I6-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I7]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I7-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I8]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I8-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I9]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I9-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I10]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I10-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I11]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I11-s.jpg)
![[King Alfonso XIII - Control Number on Back Side, type I12]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/I12-s.jpg)
| No. | Type | D | Color | Description |
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| 43 | I | 1C | red | 0.78 | - | 0.78 | - | USD |
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| 44 | I1 | 2C | orange | 0.78 | - | 0.78 | - | USD |
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| 45 | I2 | 5C | bluish green | 0.78 | - | 0.78 | - | USD |
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| 46 | I3 | 10C | red | 0.78 | - | 0.78 | - | USD |
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| 47 | I4 | 15C | bluish green | 0.78 | - | 0.78 | - | USD |
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| 48 | I5 | 20C | violet | 1.56 | - | 1.56 | - | USD |
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| 49 | I6 | 25C | dark blue | 1.56 | - | 1.56 | - | USD |
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| 50 | I7 | 30C | purple red | 1.56 | - | 1.56 | - | USD |
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| 51 | I8 | 40C | brown | 1.56 | - | 1.56 | - | USD |
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| 52 | I9 | 50C | purple | 4.16 | - | 4.16 | - | USD |
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| 53 | I10 | 1Pta | brown | 5.20 | - | 4.16 | - | USD |
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| 54 | I11 | 4Pta | rose | 6.25 | - | 6.25 | - | USD |
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| 55 | I12 | 10Pta | purple red | 12.49 | - | 12.49 | - | USD |
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| 43‑55 | 38.24 | - | 37.20 | - | USD |
