1910-1919
Spain
Now showing: Spain - Official stamps (1930 - 1931) - 27 stamps.
1931
Pan-American Postal Congress - Madrid. Overprinted "Oficial."
10. October WM: None Perforation: 12½
![[Pan-American Postal Congress - Madrid. Overprinted "Oficial.", type I]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/I-s.jpg)
![[Pan-American Postal Congress - Madrid. Overprinted "Oficial.", type I2]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/I2-s.jpg)
![[Pan-American Postal Congress - Madrid. Overprinted "Oficial.", type I3]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/I3-s.jpg)
![[Pan-American Postal Congress - Madrid. Overprinted "Oficial.", type I5]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/I5-s.jpg)
![[Pan-American Postal Congress - Madrid. Overprinted "Oficial.", type I6]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/I6-s.jpg)
![[Pan-American Postal Congress - Madrid. Overprinted "Oficial.", type I7]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/I7-s.jpg)
![[Pan-American Postal Congress - Madrid. Overprinted "Oficial.", type I9]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/I9-s.jpg)
![[Pan-American Postal Congress - Madrid. Overprinted "Oficial.", type I10]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/I10-s.jpg)
![[Pan-American Postal Congress - Madrid. Overprinted "Oficial.", type J]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/J-s.jpg)
![[Pan-American Postal Congress - Madrid. Overprinted "Oficial.", type J1]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/J1-s.jpg)
| No. | Type | D | Color | Description |
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| 20 | I | 5C | dark brown | Red overprint | - | 0.52 | 0.26 | - | USD |
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| 20A* | I1 | 5C | dark brown | Blue overprint | - | 10.45 | 10.45 | - | USD |
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| 21 | I2 | 10C | yellowish green | - | 0.52 | 0.26 | - | USD |
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| 22 | I3 | 15C | violet | Red overprint | - | 0.52 | 0.26 | - | USD |
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| 22A* | I4 | 15C | violet | Blue overprint | - | 15.68 | 10.45 | - | USD |
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| 23 | I5 | 25C | carmine rose | - | 0.52 | 0.26 | - | USD |
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| 24 | I6 | 30C | olive green | - | 0.52 | 0.26 | - | USD |
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| 25 | I7 | 40C | ultramarine | Red overprint | - | 0.78 | 0.52 | - | USD |
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| 25A* | I8 | 40C | ultramarine | Blue overprint | - | 10.45 | 10.45 | - | USD |
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| 26 | I9 | 50C | yellowish orange | - | 0.78 | 0.52 | - | USD |
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| 27 | I10 | 1Pta | grey | Red overprint | - | 0.78 | 0.52 | - | USD |
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| 27A* | I11 | 1Pta | grey | Blue overprint | - | 10.45 | 10.45 | - | USD |
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| 28 | J | 4Pta | reddish purple | - | 12.54 | 10.45 | - | USD |
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| 29 | J1 | 10Pta | dull brown | Red overprint | - | 41.81 | 26.13 | - | USD |
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| 29A* | J2 | 10Pta | dull brown | Blue overprint | - | 62.71 | 41.81 | - | USD |
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| 20‑29 | Set (* Stamp not included in this set) | - | 59.29 | 39.44 | - | USD |
1931
Airmail - Overprinted "OFICIAL"
10. October WM: None Perforation: 12
![[Airmail - Overprinted "OFICIAL", type K1]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/K1-s.jpg)
![[Airmail - Overprinted "OFICIAL", type K2]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/K2-s.jpg)
![[Airmail - Overprinted "OFICIAL", type K4]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/K4-s.jpg)
![[Airmail - Overprinted "OFICIAL", type K6]](https://www.stampworld.com/media/catalogue/Spain/Official-stamps/K6-s.jpg)
| No. | Type | D | Color | Description |
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| 30 | K | 5C | yellowish brown | Red overprint | 0.26 | - | 0.26 | - | USD |
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| 30A* | K1 | 5C | yellowish brown | Blue overprint | 41.81 | - | 31.36 | - | USD |
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| 31 | K2 | 10C | green | 0.26 | - | 0.26 | - | USD |
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| 31a* | K3 | 10C | blackish green | 10.45 | - | 8.36 | - | USD |
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| 32 | K4 | 25C | rose | 0.26 | - | 0.26 | - | USD |
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| 32a* | K5 | 25C | dark red | 10.45 | - | 8.36 | - | USD |
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| 33 | K6 | 50C | light blue | 0.26 | - | 0.26 | - | USD |
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| 33a* | K7 | 50C | blue | 52.26 | - | 31.36 | - | USD |
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| 34 | K8 | 1Pta | purple | Red overprint | 0.26 | - | 0.26 | - | USD |
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| 34A* | K9 | 1Pta | purple | Blue overprint | 8.36 | - | 5.23 | - | USD |
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| 35 | K10 | 4Pta | grey | Red overprint | 8.36 | - | 4.18 | - | USD |
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| 35A* | K11 | 4Pta | grey | Blue overprint | 12.54 | - | 15.68 | - | USD |
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| 30‑35 | Set (* Stamp not included in this set) | 9.66 | - | 5.48 | - | USD |
