Pan-American Postal Congress - Madrid. Overprinted "Oficial." 1931
Now showing: Spain - Official stamps - 1931 - Pan-American Postal Congress - Madrid. Overprinted "Oficial." - 15 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 | - | 10.32 | 10.32 | - | 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 | - | 15.48 | 10.32 | - | 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 | - | 0.77 | 0.52 | - | USD |
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| 25A* | I8 | 40C | ultramarine | Blue overprint | - | 10.32 | 10.32 | - | USD |
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| 26 | I9 | 50C | yellowish orange | - | 0.77 | 0.52 | - | USD |
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| 27 | I10 | 1Pta | grey | Red overprint | - | 0.77 | 0.52 | - | USD |
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| 27A* | I11 | 1Pta | grey | Blue overprint | - | 10.32 | 10.32 | - | USD |
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| 28 | J | 4Pta | reddish purple | - | 12.39 | 10.32 | - | USD |
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| 29 | J1 | 10Pta | dull brown | Red overprint | - | 41.29 | 25.80 | - | USD |
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| 29A* | J2 | 10Pta | dull brown | Blue overprint | - | 61.93 | 41.29 | - | USD |
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| 20‑29 | Set (* Stamp not included in this set) | - | 58.59 | 38.98 | - | USD |
